Conservation of Momentum

The Law of (a)   of momentum

The total momentum before a collision is _________ the total momentum after a collision.

• equal to 
• less than 
• more than
• It depends on the type of collision

Tags

NGSS.HS-PS2-2

Which of the 0.5kg spheres in the image experiences the greater change in momentum?

• Black

• White

• Same

• Not Enough Info

Two skaters begin at rest. Skater 1 has a smaller mass than Skater 2. After they push off each other,...

• Skater 1 experiences a greater change in momentum
• Skater 2 experiences a greater change in momentum
• Skater 1 has a greater velocity than Skater 2
• Skater 1 experiences a greater force

Tags

NGSS.HS-PS2-2

NGSS.HS-PS2-1

The definition of momentum is

• Mass in Motion
• The size of an object
• The velocity of an object
• A comparison between two objects

Tags

NGSS.HS-PS2-2

The recoil speed of a rifle is much less than the exit velocity of a bullet because...

• the rifle experiences a smaller force
• the rifle experiences a smaller change in momentum
• the rifle has a much greater mass
• the rifle does not obey the laws of physics

Tags

NGSS.HS-PS2-2

NGSS.HS-PS2-1

A person on a stationary skateboard throws a bowling ball with a velocity of 5.0 m/s. What is a possible speed of the person after the throw? 

• 0 m/s
• 1.5 m/s
• 5.0  m/s
• 7.5 m/s

Tags

NGSS.HS-PS2-2

NGSS.HS-PS2-1

The momentum of an object is the sum of its mass and its velocity.

• True

• False

Which scenario would most likely occur when a cue ball strikes a pool ball that is at rest?

• The cue ball will stop moving and both will be at rest.

• The pool ball will accelerate in the same direction as the cue ball was initially moving.

• The cue ball will bounce back from the pool ball around the same velocity.

• The pool ball will accelerate to a velocity greater then the cue ball moving.

Which of the following statements describes momentum?

• the product of body’s mass and velocity

• the product of body’s mass and acceleration

• the sum of body’s mass and velocity

• the sum of body’s mass and acceleration

Tags

NGSS.HS-PS2-2