PHYS 1010 Exam 2 Question and
answers already passed 2026/2027
A pair of action-reaction forces always - correct answer ✔occurs simultaneously
The speed of a 4-kg ball with a momentum of 12 kg m/s is - correct answer ✔3 m/s
When a cannonball is fired from a cannon, which undergoes the greater acceleration? - correct answer
✔cannonball
The force that accelerates a rocket in outer space is exerted on the rocket by the - correct answer
✔exhaust gases
The mass of a ball moving at 3 m/s with a momentum of 48 kg m/s is - correct answer ✔16 kg
When you walk, you push on the floor to the left and the floor - correct answer ✔pushes you to the
right
A car traveling at 100 km/hr strikes an unfortunate bug and splatters it. The force of impact is - correct
answer ✔the same for both
It is correct to say that impulse is equal to - correct answer ✔change in momentum
which has greater momentum when moving , a container ship or bullet - correct answer ✔either of
these depending on speed
The force that propels a cannonball when fired from a cannon is - correct answer ✔equal and
opposite to the force the ball exerts on the cannon
, When a skateboarder pushes on a wall, - correct answer ✔the wall pushes on the skateboarder, such
a push couldn't happen unless the wall pushed on the skateboarder and an interaction occurs between
the skateboarder and the wall
Padded dashboards in cars are safer in an accident than non-padded ones because passengers hitting
the dashboard encounter - correct answer ✔lengthened time of contact
As a ball falls, the action force is the pull of Earth's mass on the ball. What is the reaction to this force? -
correct answer ✔ball's pull on Earth.
While you stand on the floor you are pulled downward by gravity, and supported upward by the floor.
Gravity pulling down and the support force pushing up - correct answer ✔do not make an action-
reaction pair of forces
two billard balls having the same mass and speed roll toward each other. what is their combined
momentum after they meet - correct answer ✔zero
The work you do when pushing a shopping cart twice as far while applying twice the force is - correct
answer ✔four times as much
radio waves travel ______ compared to sound waves? - correct answer ✔faster
An object has gravitational potential energy due to its - correct answer ✔location
If the color spectrum ranges from red to violet, then it ranges from - correct answer ✔low frequencies
to high frequencies and long wavelengths to short wavelengths
A ball rolling down an incline has its maximum potential energy at - correct answer ✔top
answers already passed 2026/2027
A pair of action-reaction forces always - correct answer ✔occurs simultaneously
The speed of a 4-kg ball with a momentum of 12 kg m/s is - correct answer ✔3 m/s
When a cannonball is fired from a cannon, which undergoes the greater acceleration? - correct answer
✔cannonball
The force that accelerates a rocket in outer space is exerted on the rocket by the - correct answer
✔exhaust gases
The mass of a ball moving at 3 m/s with a momentum of 48 kg m/s is - correct answer ✔16 kg
When you walk, you push on the floor to the left and the floor - correct answer ✔pushes you to the
right
A car traveling at 100 km/hr strikes an unfortunate bug and splatters it. The force of impact is - correct
answer ✔the same for both
It is correct to say that impulse is equal to - correct answer ✔change in momentum
which has greater momentum when moving , a container ship or bullet - correct answer ✔either of
these depending on speed
The force that propels a cannonball when fired from a cannon is - correct answer ✔equal and
opposite to the force the ball exerts on the cannon
, When a skateboarder pushes on a wall, - correct answer ✔the wall pushes on the skateboarder, such
a push couldn't happen unless the wall pushed on the skateboarder and an interaction occurs between
the skateboarder and the wall
Padded dashboards in cars are safer in an accident than non-padded ones because passengers hitting
the dashboard encounter - correct answer ✔lengthened time of contact
As a ball falls, the action force is the pull of Earth's mass on the ball. What is the reaction to this force? -
correct answer ✔ball's pull on Earth.
While you stand on the floor you are pulled downward by gravity, and supported upward by the floor.
Gravity pulling down and the support force pushing up - correct answer ✔do not make an action-
reaction pair of forces
two billard balls having the same mass and speed roll toward each other. what is their combined
momentum after they meet - correct answer ✔zero
The work you do when pushing a shopping cart twice as far while applying twice the force is - correct
answer ✔four times as much
radio waves travel ______ compared to sound waves? - correct answer ✔faster
An object has gravitational potential energy due to its - correct answer ✔location
If the color spectrum ranges from red to violet, then it ranges from - correct answer ✔low frequencies
to high frequencies and long wavelengths to short wavelengths
A ball rolling down an incline has its maximum potential energy at - correct answer ✔top
