Physics Assessment C165 Integrated ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
Physical Science WGU exam with correct ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
answers
A car is moving forward and its brakes are being applied. Which of the following is true?
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A. The car's velocity is forward, and its acceleration is forward.
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B. The car's velocity is backward, and its acceleration is forward.
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C. The car's velocity is backward, and its acceleration is backward.
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D. The car's velocity is forward, and its acceleration is backward. - correct answer✔✔D. The car's velocity is
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forward, and its acceleration is backward.
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A car moves forward along a horizontal road in a straight line at constant speed. The net force on the car is
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_______. - correct answer✔✔zero
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You are pushing a file cabinet across a floor in a straight line at a constant speed. Which of the following
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can you correctly conclude about the forces acting on the file cabinet?
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A, If you were to exert twice as much force on the file cabinet, it would slide across the floor at twice its
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original speed. ||\\||\\
B. The force that you are exerting on the file cabinet is greater than the force that friction is exerting on it.
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C. The force that you are exerting on the file cabinet is greater than the force of friction with the cabinet's
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weight.
D. The force that you are exerting on the file cabinet is equal and opposite to the force that friction is
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exerting on it. - correct answer✔✔D. The force that you are exerting on the file cabinet is equal and
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opposite to the force that friction is exerting on it. ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
Inertia is an object's _______________________________________. - correct answer✔✔tendency to remain
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stationary or continue moving in the same way. ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
The mass of an object measures _____________________________. - correct answer✔✔the amount of
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matter in an object. ||\\||\\ ||\\||\\ ||\\||\\
Which of the following is used to increase friction? ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
A. spraying a lubricant onto a squeaky wheel
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, B. scattering sand on icy roads
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C. waxing floors - correct answer✔✔B. scattering sand on icy roads
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The force that slows down a person falling is called __________________. - correct answer✔✔air resistance
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If the distance between two objects increases, the force of gravity between them _________________. -
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correct answer✔✔decreases ||\\||\\ ||\\||\\
A car decreases its speed from 40 miles per hour to 20 miles per hour. Its linear momentum
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_____________________. - correct answer✔✔is half as much ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
In physics, work is
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_______________________________________________________________________________. - correct ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
answer✔✔the energy transferred from one object to another via a force acting through a distance. ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
Which of the following statements is correct? ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
A. Potential energy is the energy of speed and kinetic energy is the energy stored in an object.
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B. Potential energy is the energy of mass and kinetic energy is the energy of gravity.
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C. Kinetic energy is the energy an object as a result of its motion, and potential energy is the energy of
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position or deformation. - correct answer✔✔C. Kinetic energy is the energy of an object as a result of its
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motion, and potential energy is the energy of position or deformation.
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A truck increases its speed. What happens to its kinetic energy?
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A. not enough information
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B. it decreases
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C. it increases - correct answer✔✔C. it increases
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In which of the following situations is the object's potential energy changing?
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A. a child sledding down a hill
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B. a jug of milk standing on the top shelf in a refrigerator
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C. a man biking at 20 miles per hour on a straight road
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D. a person rowing a canoe on a lake - correct answer✔✔A. a child sledding down a hill
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The figure below shows a pendulum. Assume that there are no frictional losses. The ball is displaced to
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point A and released. As the ball moves, it passes, in order through points B, C, D, and E, and then again
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through points D, C, B, and so on. Answer the following questions.
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Physical Science WGU exam with correct ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
answers
A car is moving forward and its brakes are being applied. Which of the following is true?
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A. The car's velocity is forward, and its acceleration is forward.
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B. The car's velocity is backward, and its acceleration is forward.
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C. The car's velocity is backward, and its acceleration is backward.
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D. The car's velocity is forward, and its acceleration is backward. - correct answer✔✔D. The car's velocity is
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forward, and its acceleration is backward.
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A car moves forward along a horizontal road in a straight line at constant speed. The net force on the car is
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_______. - correct answer✔✔zero
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You are pushing a file cabinet across a floor in a straight line at a constant speed. Which of the following
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can you correctly conclude about the forces acting on the file cabinet?
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A, If you were to exert twice as much force on the file cabinet, it would slide across the floor at twice its
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original speed. ||\\||\\
B. The force that you are exerting on the file cabinet is greater than the force that friction is exerting on it.
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C. The force that you are exerting on the file cabinet is greater than the force of friction with the cabinet's
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weight.
D. The force that you are exerting on the file cabinet is equal and opposite to the force that friction is
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exerting on it. - correct answer✔✔D. The force that you are exerting on the file cabinet is equal and
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opposite to the force that friction is exerting on it. ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
Inertia is an object's _______________________________________. - correct answer✔✔tendency to remain
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
stationary or continue moving in the same way. ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
The mass of an object measures _____________________________. - correct answer✔✔the amount of
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
matter in an object. ||\\||\\ ||\\||\\ ||\\||\\
Which of the following is used to increase friction? ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
A. spraying a lubricant onto a squeaky wheel
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, B. scattering sand on icy roads
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C. waxing floors - correct answer✔✔B. scattering sand on icy roads
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The force that slows down a person falling is called __________________. - correct answer✔✔air resistance
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If the distance between two objects increases, the force of gravity between them _________________. -
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correct answer✔✔decreases ||\\||\\ ||\\||\\
A car decreases its speed from 40 miles per hour to 20 miles per hour. Its linear momentum
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_____________________. - correct answer✔✔is half as much ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
In physics, work is
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
_______________________________________________________________________________. - correct ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
answer✔✔the energy transferred from one object to another via a force acting through a distance. ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
Which of the following statements is correct? ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
A. Potential energy is the energy of speed and kinetic energy is the energy stored in an object.
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B. Potential energy is the energy of mass and kinetic energy is the energy of gravity.
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C. Kinetic energy is the energy an object as a result of its motion, and potential energy is the energy of
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position or deformation. - correct answer✔✔C. Kinetic energy is the energy of an object as a result of its
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motion, and potential energy is the energy of position or deformation.
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A truck increases its speed. What happens to its kinetic energy?
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A. not enough information
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B. it decreases
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C. it increases - correct answer✔✔C. it increases
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In which of the following situations is the object's potential energy changing?
||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\ ||\\||\\
A. a child sledding down a hill
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B. a jug of milk standing on the top shelf in a refrigerator
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C. a man biking at 20 miles per hour on a straight road
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D. a person rowing a canoe on a lake - correct answer✔✔A. a child sledding down a hill
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The figure below shows a pendulum. Assume that there are no frictional losses. The ball is displaced to
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point A and released. As the ball moves, it passes, in order through points B, C, D, and E, and then again
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through points D, C, B, and so on. Answer the following questions.
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