Free Printable Impulse and Momentum Quiz

1.

What is the formula for impulse in terms of force and time?

a)

$J=F\div t$

b)

$J=m\times v$

c)

$J=F\ x\ t$

d)

$J=m\times a$

2.

Which physical quantity is defined as the product of force times time?

a)

Acceleration

b)

Momentum

c)

Force

d)

Impulse

3.

What is the SI unit of momentum?

a)

Newton

b)

Joule

c)

kg m/s

d)

Meter per second

4.

Which equation represents the law of conservation of momentum for a two-object system?

a)

$m_1v_{1i}+m_2v_{2i}=m_1v_{1f}+m_2v_{2f}$

b)

$F = m \times a$

c)

$p = m \times v$

d)

$E = m \times c^2$

5.

Which type of collision changez the shape of the objects?

a)

Inelastic collision

b)

Frictional collision

c)

Explosion

d)

Elastic Collision

6.

What is the formula for momentum?

a)

$p = m \times v$

b)

$p = F \times t$

c)

$p = m \times a$

d)

$p = v \times t$

7.

Which of the following best describes an inelastic collision?

a)

Objects bounce off each other

b)

Objects stick together after collision

c)

Objects move in opposite directions after collision

d)

Objects do not interact

8.

What is the formula for impulse in terms of change in momentum?

a)

$J=F\ x\ r$

b)

$J=m\times v$

c)

$J=\Delta P$

d)

$J=v\times t$

9.

If a $3\mathrm{kg}$ object moves at $3\,\mathrm{m/s}$ , what is its momentum?

P = m x v

a)

6 N s

b)

$5\mathrm{\ N\ s}$

c)

9 N s

d)

$0.67\mathrm{\ N\ s}$

10.

Which of the following is true about impulse?

a)

It is a vector quantity

b)

It is a scalar quantity

c)

It has no direction

d)

It is measured in joules

11.

A $4\,\mathrm{kg}$ ball moving at $2\,\mathrm{m/s}$ collides elastically with a stationary $2\,\mathrm{kg}$ ball. After the collision, the $4\,\mathrm{kg}$ ball moves at $1\,\mathrm{m/s}$ . What is the velocity of the $2\,\mathrm{kg}$ ball after the collision?

m₁x v_1i + m₂ x v_2i= m₁ x v_1f + m₂ x v_2f

4kg x 2m/s + 2kg x 0 = 4kg x 1m/s + 2kg x v_2f

a)

0.5 m/s

b)

$3\,\mathrm{m/s}$

c)

$1.5\,\mathrm{m/s}$

d)

2 m/s

12.

A $5\,\mathrm{kg}$ object at rest receives an impulse of $15\mathrm{Ns}$ . What is its final velocity?

v = J/m

a)

$4\,\mathrm{m/s}$

b)

$5\,\mathrm{m/s}$

c)

$20\,\mathrm{m/s}$

d)

$3\ \frac{m}{s}$

13.

In an inelastic collision, which quantity is always conserved?

a)

Kinetic energy

b)

Momentum

c)

Potential energy

d)

Acceleration

14.

A $3\,\mathrm{kg}$ object moving at $4\,\mathrm{m/s}$ collides with a $2\,\mathrm{kg}$ object at rest. If they stick together after the collision, what is their final velocity?

m₁ x v_1i+ m₂ x v_2i = (m₁ + m₂) x v_f

3kg x 4m/s + 2kg x 0 = (3kg +2kg) x v_f

a)

$2.4\,\mathrm{m/s}$

b)

$3\,\mathrm{m/s}$

c)

$1.2\,\mathrm{m/s}$

d)

$4\,\mathrm{m/s}$

15.

Which formula is used to calculate the change in momentum?

a)

$\Delta p=\frac{J}{t}$

b)

$\Delta p = F \times t$

c)

$\Delta p=m\ x\ \Delta v$

d)

$\Delta p = v \times t$

16.

A $1\,\mathrm{kg}$ ball moving at $5\,\mathrm{m/s}$ collides elastically with a $2\,\mathrm{kg}$ ball at rest. After the collision, the $1\,\mathrm{kg}$ ball moves at $-1\,\mathrm{m/s}$ . What is the velocity of the $2\,\mathrm{kg}$ ball after the collision?

m₁ x v_1i + m₂ x v_2i = m₁ x v_1f + m₂ x v_2f

1kg x 5m/s + 2kg x 0m/s = 1kg x (-1kg) + 2kg x v_2f

a)

$2\,\mathrm{m/s}$

b)

$3\,\mathrm{m/s}$

c)

$1\,\mathrm{m/s}$

d)

$4\,\mathrm{m/s}$

17.

What is the momentum of a $10\,\mathrm{kg}$ object moving at $2.0\ \frac{m}{s}$ ?

P = m x v

a)

$20\ Ns$

b)

$10\mathrm{Ns}$

c)

20Ns

d)

$5\ Ns$

18.

A $2\,\mathrm{kg}$ object moving at $6\,\mathrm{m/s}$ collides with a $3\,\mathrm{kg}$ object at rest. If they stick together after the collision, what is their final velocity?

m₁ x v_1i +m₂x v_2i = (m₁ + m₂) x v_f

2kg x 6m/s + 3kg x 0m/s = (2kg +3kg) x v_f

a)

$2.4\,\mathrm{m/s}$

b)

$3\,\mathrm{m/s}$

c)

$4\,\mathrm{m/s}$

d)

$1.2\,\mathrm{m/s}$

19.

Which of the following is NOT a property of elastic collisions?

a)

Momentum is conserved

b)

Object keep the same shape

c)

Objects stick together

d)

Objects may change direction

20.

A $3\,\mathrm{kg}$ ball moving at $2\,\mathrm{m/s}$ collides elastically with a $1\,\mathrm{kg}$ ball at rest. After the collision, the $3\,\mathrm{kg}$ ball moves at $1\,\mathrm{m/s}$ . What is the velocity of the $1\,\mathrm{kg}$ ball after the collision?

m₁ x v_1i + m₂ x v_i2= m₁ x v_1f + m₂ x v_2f

3kg x 2m/s + 1kg x 0m/s = 3kg x 1m/s + 1kg x v_2f

a)

$4\,\mathrm{m/s}$

b)

$3\,\mathrm{m/s}$

c)

$2\,\mathrm{m/s}$

d)

$1\,\mathrm{m/s}$

Impulse and Momentum Quiz

Total questions: 20

Worksheet time: 10mins

Similar Resources on Wayground