Momentum and Impulse

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

• size and shape
• mass and speed
• mass and velocity
• mass and energy

Tags

NGSS.HS-PS2-2

A 2 kg cart has a momentum of 10 kg m/s. What is its velocity?

• 22 m/s
• .2 m/s
• 5.0 m/s
• 20 m/s

Tags

NGSS.HS-PS2-2

When the speed of an object is doubled, its momentum

• remains unchanged in accord with the conservation of momentum.
• doubles
• quadruples
• decreases

Tags

NGSS.HS-PS2-2

How can a tennis ball and a bowling ball have the same momentum?

• have the same speed
• have different speeds
• one is moving backwards
• they can't

Tags

NGSS.HS-PS2-2

When two objects collide, the Momentum_before is ____________ the Momentum_after.

• more than 
• less than 
• equal to
• unrelated to

Tags

NGSS.HS-PS2-2

The purpose of crumple zones on a car is to

• decrease time of impact.
• increase force of impact.
• increase the time of impact.
• decrease the impulse during impact.

Tags

NGSS.HS-PS2-3

A biker with a mass of 75 kg moves along the path with a constant velocity of 5 m/s. What is the biker's momentum?

• 25 m/s
• 375 m/s
• 25 kg m/s
• 375 kg m/s

Tags

NGSS.HS-PS2-2

The units for Impulse are

• N/s
• Ns
• N
• m/s

All of the following are examples of an impulse except

• a car maintaining a constant speed
• a pencil getting stuck to the ceiling
• a tennis ball hitting a racket
• a hammer bouncing off a nail

Tags

NGSS.HS-PS2-2

A club hit a golf ball with 1500 N of force and is contact with it for 0.5 seconds. Find the impulse on the ball.

• 750 N s
• 3000 N s
• 1500 N s
• 300 N s