Places Review and Quiz — Unit test Answers

What is the momentum of a 15 kg tire rolling down a hill at 3 m/s?

kg • m/s

While the change in will remain the same during a collision, the force needed to bring an object to a stop can be if the time of the collision is .

Xander reached a final velocity of 4.5 m/s in 3.5 seconds. Finley reached a final velocity of 3.6 m/s in 4.2 seconds. Max reached a final velocity of 7.3 m/s in 1.2 seconds. They all started at the same location from rest.

Tyler and his family drove from Atlanta to Baltimore. They traveled a total of 678 miles over 2 days.What is the reference point in this scenario?

Which piece of furniture will have the most inertia and give the furniture movers the most difficulty in moving?

Which best describes a force?

A tugboat is pulling a barge into a harbor. The barge is exerting a force of 3000 N against the tugboat.Which force would most likely allow the tugboat to move the barge into the harbor?

Based on the tug of war pictured below, what is the net force?

Which refers to an object’s resistance to any change in its motion?

A football player has a mass of 65 kg and is moving with a velocity of 5 m/s. What is the player’s momentum?

best

What is determined by calculating the slope of the position vs time graph?

What must be included when describing the displacement of an object?

The graph represents velocity vs. time for Carla.

Two objects with different masses and different velocities have the same momentum. What must be true of the velocity of the more massive object?

kg • m/s

If the action force is the boy pushing on the ball, what is the reaction force? | Which way will the boy on the skateboard move?

While the change in will remain the same during a collision, the force needed to bring an object to a stop can be if the time of the collision is .

What is the momentum of a 3 kg bowling ball moving at 3 m/s?1 kg • m/s3 kg • m/s6 kg • m/s9 kg • m/s