Free Printable Momentum Form3

Worksheets

Momentum Form3

Total questions: 20

Worksheet time: 22mins

Name

Class

Date

The momentum of an object depends upon the object's ___________&_____________.

size and shape

mass and speed

mass and veloctiy

mass and energy

The equation to calculate momentum is

p=mv

p=1/2mv²

p=mgh

p=mg

Momentum is a ____________________ quantity

science

scalar

vector

energy

When two objects collide, the P_before is ____________ the P_after.

more than

less than

equal to

unrelated to

In any collision (crash) the ______ is ALWAYS constant

Total Momentum

total speed

total Velocity

Energy

What is the unit for momentum?

m/sec

kg/sec

kg/m

kg m/sec

In an elastic collision, ______ is conserved.

Momentum only

Kinetic Energy only

Both momentum and energy

In a perfectly inelastic collision, ______ is conserved.

Momentum only

Kinetic Energy only

Both momentum and kinetic energy

A 50 kg ball rolls down the street at 5 m/s. Calculate the momentum of the ball.

55 kg*m/s

100 kg*m/s

250 kg*m/s

500 kg*m/s

10.

If an object has a momentum of 40 kgm/s and a mass of 60 kg, what is it's velocity?

2400 m/s

1.5 m/s

240 m/s

.67 m/s

11.

If an object has a velocity of 15 m/s and a momentum of 30 m/s, what is its mass?

450 m/s

2 m/s

4,500 m/s

.5 m/s

12.

If an object has a mass of 20 kg and a velocity of 4 m/s, what is the momentum of the object?

80 kgm/s

4 kgm/s

5 kgm/s

.2 kgm/s

13.

An object has a mass of 5 kg, a displacement of 5 m, and a time of 25 s, what is its momentum?

1 kgm/s

750 kgm/s

25 kgm/s

625 kgm/s

14.

In a physics experiment, two carts of mass 1.5 kg each are rolled towards each other. The orange cart has a velocity of 2 m/s and the blue cart has a velocity of -1m/s. The carts stick together when they collide. Calculate their final speed.

0.5 m/s

1.0 m/s

0.33 m/s

0.67 m/s

15.

Two football players with mass 75 kg and 100 kg run directly toward each other with speeds of -6 m/s and 8 m/s respectively. If they grab each other as they collide, the combined speed of the two players just after the collision would be:

2 m/s

3.4 m/s

4.6 m/s

7.1 m/s

16.

CHALLENGE QUESTION (not on test): A .030 kg bullet is fired from a gun with a speed of 350 m/s. If the gun has a mass of 0.9 kg, What is the recoil speed of the gun? (hint: Newton's 3rd law saws every action has an equal and opposite reaction (the momentum of object A = the momentum of object B))

11.7 m/s

9.0 m/s

10.5 m/s

10 m/s

17.

An object with a mass of 2000 kg at rest has what momentum?

2000 kg m/sec

0 kg m/sec

2000 kg

2000 m/sec

18.

This picture is an example of ____________

Elastic Collision

Inelastic collision

19.

Collisions can be ____________or ___________.

fast or slow

far or near

elastic or inelastic

none of the above

20.

A 2.5 kg ball moving at 5 m/s collides with a 2.5 kg stationary ball in a perfectly elastic collision. What is the velocity of the second ball after the collision?

5 m/s

2.5 m/s

10 m/s

7.5 m/s

100 %

Momentum Form3

Total questions: 20

Worksheet time: 22mins

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