Momentum Quiz

What are the correct units for momentum?

• kg m/s

• kg m/s^2

• kg

• N

A 500 kg car is moving with a velocity of 20 m/s. The car's momentum is _______ kg m/s

If the velocity of an object doubles, how does its momentum change?

• It quadruples

• It doubles

• It stays the same

• It halves

The momentum of a 300 kg object is 1500 kg m/s. What is the object's velocity?

The impulse of an object is equal to its:

• Change in time

• Change in shape

• Change in momentum

• Mass

Which of these is a vector? (Choose all that apply)

• Mass

• Velocity

• Speed

• Momentum

Which of the following statements is true regarding conservation of momentum in a collision?

• Momentum is ALWAYS conserved in collisions

• Momentum is NEVER conserved in collisions

• Momentum is conserved only in ELASTIC collisions

• Momentum is conserved only in INELASTIC collisions

If the momentum of an object is tripled while its mass remains constant, what happens to its velocity?

• It remains the same

• It doubles

• It triples

• It becomes one-third

Two identical pool balls are traveling across a pool table.

The first ball is moving at 4 m/s while the second ball is moving with a velocity of 2 m/s. Which of the statements is true about their momentums?

• The first ball has a greater momentum

• The second ball has greater momentum

• They have the same momentum

• They have zero momentum

Last question!!

A 1000 Ns impulse is applied to a 200 kg object. What is the resulting change in velocity?