Newton's 3rd Law Core 3

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1 point

If a 50kg person is running at 4 m/s, what is the persons momentum?

10 kg*m/s

100 kg*m/s

200 kg*m/s

25 kg*m/s

1 point

If a larger ball collides with a smaller ball that was not moving, the total momentum after the collision is equal to?

Zero

Half the momentum of the larger ball

The total momentum before the collision

The original momentum of the smaller ball

1 point

What is the action/reaction force pair when you catch a ball?

the ball pushing your hand and your hand pushing the ball

the pitcher throwing the ball you hitting the ball

the ball pushing the bat and the bat pushing the ball

your hand pushing the ball and the ground pushing the ball

1 point

What reaction force is involved as you are running?

The air is pulling you

The ground is pulling you down

The ground is pushing up on you

Gravity pulls you up

1 point

What object has the most momentum?

A dump truck traveling 50 m/s

A person running 10 m/s

A small car traveling 50 m/s

A 747 jet airplane traveling 0 m/s

1 point

What are the two factors for momentum?

acceleration and mass

force and mass

mass and speed (velocity)

distance and time

1 point

If a moving object collides with a non-moving object, what happens to the objects?

both objects start moving faster

the moving object stops

the moving object speeds up and the non-moving object slows down

The moving object slows down and the non-moving object speeds up

1 point

If a train engine pulls on a train car with a force of 15,000 N (Newtons), what is the reaction force?

The train car moves

The train slows down

The train car pushes on the train engine with a force of 15,000 N.

The train car pulls back on the train engine with a force of 15,000 N.

1 point

Action/reaction forces are always?

Always pushing, never pulling

Able to moving objects

Equal in force and in same direction

Equal in force and opposite in direction

10.

1 point

A car driving down the road doubles its velocity (speed), how does that affect its momentum?

the momentum is doubled

the momentum is the same

there is no momentum

the momentum is half

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