Unit 2 Test, Conceptual Physics (Multiple
Choice) Questions And 100% Correct
Answers.
The law of inertia states that an object...
A. will continue moving in a straight line unless an outside force acts on it.
B. at rest will remain at rest unless acted on by an outside force.
C. that is not moving will never move unless a force acts on it.
D. All of the Above - Answer D. All of the Above
A bag of sports equipment has a mass of 10 kilograms and a weight of...
A. 0.98 N
B. 980 N
C. 98N
D. 9.8 N - Answer C. 98N (W= mg)
Friction is a force that always acts...
A. in the same direction as an object's motion
B. opposite to an object's motion
C. perpendicular to an object's motion - Answer B. opposite to an object's motion
The mass of a lamb that weighs 110 N is about...
A. 1100 kg
B. 110 kg
C. 1 kg
D. 11 kg - Answer D. 11 kg
The law of inertia applies to...
A. objects at rest
B. moving objects
C. both moving and non-moving objects - Answer C. both moving and non-moving objects
, A. Newton's third law holds that there is an equal and opposite force exerted by the trampoline
on your feet, which allows you to move with Earth through space.
B. There are no different rules in space and on the surface of the earth.
C. Newton's second law holds that the acceleration produced by the force of gravity is offset by
the force of friction on your feet.
D. Newton's first law holds that your body moves along with Earth because it is not compelled
to change its motion by an unbalanced force. - Answer D. Newton's first law holds that your
body moves along with Earth because it is not compelled to change its motion by an
unbalanced force.
Which has more mass, a kilogram of feathers or a kilogram of iron?
A. Neither--they both have the same mass
B. The iron
C. The feathers - Answer A. Neither--they both have the same mass
The astronomer Copernicus publicly stated in the 1500s that Earth...
A. is slowing down
B. moves in a straight line
C. does not move
D. is the center of the solar system
E. revolves around the sun - Answer E. revolves around the sun
After a cannonball is fired into friction-less space, the amount of force needed to keep it going
equals...
A. one half the force with which it was fired.
B. twice the force with which it was fired.
C. the same amount of force with which it was fired.
D. zero, since no force is necessary to keep it moving. - Answer D. zero, since no force is
necessary to keep it moving.
One object has twice as much mass as another object. The first object also has twice as much...
A. inertia
B. velocity
Choice) Questions And 100% Correct
Answers.
The law of inertia states that an object...
A. will continue moving in a straight line unless an outside force acts on it.
B. at rest will remain at rest unless acted on by an outside force.
C. that is not moving will never move unless a force acts on it.
D. All of the Above - Answer D. All of the Above
A bag of sports equipment has a mass of 10 kilograms and a weight of...
A. 0.98 N
B. 980 N
C. 98N
D. 9.8 N - Answer C. 98N (W= mg)
Friction is a force that always acts...
A. in the same direction as an object's motion
B. opposite to an object's motion
C. perpendicular to an object's motion - Answer B. opposite to an object's motion
The mass of a lamb that weighs 110 N is about...
A. 1100 kg
B. 110 kg
C. 1 kg
D. 11 kg - Answer D. 11 kg
The law of inertia applies to...
A. objects at rest
B. moving objects
C. both moving and non-moving objects - Answer C. both moving and non-moving objects
, A. Newton's third law holds that there is an equal and opposite force exerted by the trampoline
on your feet, which allows you to move with Earth through space.
B. There are no different rules in space and on the surface of the earth.
C. Newton's second law holds that the acceleration produced by the force of gravity is offset by
the force of friction on your feet.
D. Newton's first law holds that your body moves along with Earth because it is not compelled
to change its motion by an unbalanced force. - Answer D. Newton's first law holds that your
body moves along with Earth because it is not compelled to change its motion by an
unbalanced force.
Which has more mass, a kilogram of feathers or a kilogram of iron?
A. Neither--they both have the same mass
B. The iron
C. The feathers - Answer A. Neither--they both have the same mass
The astronomer Copernicus publicly stated in the 1500s that Earth...
A. is slowing down
B. moves in a straight line
C. does not move
D. is the center of the solar system
E. revolves around the sun - Answer E. revolves around the sun
After a cannonball is fired into friction-less space, the amount of force needed to keep it going
equals...
A. one half the force with which it was fired.
B. twice the force with which it was fired.
C. the same amount of force with which it was fired.
D. zero, since no force is necessary to keep it moving. - Answer D. zero, since no force is
necessary to keep it moving.
One object has twice as much mass as another object. The first object also has twice as much...
A. inertia
B. velocity
