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Momentum, impulse, & collisions

Authored by Tynisha Wilson

Physics

10th - 12th Grade

Used 10+ times

Momentum, impulse, & collisions
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21 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A runner has a momentum of 670 kg m/s and is travelling at a velocity of 9 m/s. What is his mass?

6030 kg
0.0134 kg
74.4 kg
80 kg

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A boy kicks a football with a force of 20 N, the time the force acts for is 0.3 s.

Calculate the impulse on the ball.

1 N·s

6 N·s

66 N·s

None of these

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The difference between a car hitting a wall vs. a car hitting a hay stack is

the Impulse on the car hitting the wall is greater
the change in momentum of the car hitting the wall is greater
the force on the car hitting the hay stack is greater
the collision time of the car hitting the hay stack is greater

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The impulse-momentum theorem states that

the impulse on an object is equal to the change in momentum it causes 
the force on a moving object is equal to the magnitude of the impulse.
the impulse on an object is greater than the change in momentum it causes 
the impulse on an object is less than the change in momentum it causes

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When the speed of an object is doubled, its momentum...

remains unchanged in accord with the conservation of momentum.

doubles.

quadruples.

decreases.

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The total momentum before a collision is _________ the total momentum after a collision.

equal to

less than

more than

It depends on the type of collision

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

After collision, the two objects move off with different velocity. What type of collision is this?

Inelastic

Elastic

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