Free Printable 3.1 | Momentum and Impulse

1.

"Mass in motion" is one definition for:

a)

momentum

b)

impulse

c)

power

d)

impact

2.

A change in momentum from applying a force for a certain time is:

a)

momentum

b)

impulse

c)

power

d)

impact

3.

The equation for momentum is:

a)

$\overrightarrow{p}=m\cdot\overrightarrow{v}$

b)

$\overrightarrow{F}=m\cdot\overrightarrow{a}$

c)

$\overrightarrow{J}=\overrightarrow{F}\cdot t$

d)

$\overrightarrow{\Delta v}=\overrightarrow{v_f}-\overrightarrow{v_i}$

4.

Which of the expressions below can be used to calculate impulse? (Choose all that apply.)

a)

$m\cdot\overrightarrow{\Delta v}$

b)

$m\cdot\overrightarrow{a}$

c)

$\overrightarrow{F}\cdot t$

d)

$\overrightarrow{v_f}-\overrightarrow{v_i}$

5.

A cart with a mass of 15 kg has a velocity of 3 m/s. What is its momentum?

a)

45 kg·m/s

b)

5 kg·m/s

c)

18 kg·m/s

d)

-12 kg·m/s

6.

A 22 kg object has a velocity of 0.50 m/s. What is its momentum?

a)

11 kg·m/s

b)

44 kg·m/s

c)

22.50 kg·m/s

d)

4.4 kg·m/s

7.

A 6 kg ball slows from a velocity of 18 m/s to 12 m/s. What is its change in momentum?

a)

-36 kg·m/s

b)

36 kg·m/s

c)

1 kg·m/s

d)

-6 kg·m/s

8.

A 12 kg cart speeds up from rest to 8 m/s. What is its impulse?

a)

-4 kg·m/s

b)

4 kg·m/s

c)

48 kg·m/s

d)

96 kg·m/s

9.

What is the impulse when a 10 N force is applied for 3.5 s?

a)

2.86 N·s

b)

35 N·s

c)

13.5 N·s

d)

-6.5 N·s

10.

How many seconds does it take for a force of 4.5 N to create a change in momentum of 36.9 kg·m/s?

a)

Not enough information to solve the problem.

b)

8.2 s

c)

32.4 s

d)

166.05 s

11.

A 0.75 kg ball comes to a stop from a velocity of 6.32 m/s over 1.88 s. What force is required to do this?

a)

2.52 N

b)

0.22 N

c)

15.84 N

d)

8.95 N

3.1 | Momentum and Impulse

Total questions: 11

Worksheet time: 8mins

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