Collisions / Conservation of Momentum

Which car applied the LARGER FORCE onto the other one?

• RED CAR

• SILVER CAR

• BOTH APPLIED EQUAL FORCES

• NO FORCE WAS GENERATED

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-3

Which of NEWTON'S LAWS OF MOTION would explain the forces applied to each car?

• 1st

• 2nd

• 3rd

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-2

ACTION: Tennis racket applies a force onto the ball.

REACTION: ???

• Ball flies away.

• Racket is broken.

• The ball and racket stop moving.

• The ball applies an equal and opposite force onto the racket.

Tags

NGSS.HS-PS2-1

• Happy

• Sad

• Forces are EQUAL

Tags

NGSS.HS-PS2-1

• Happy

• Sad

• Time of contact is EQUAL

Tags

NGSS.HS-PS2-1

Which ball undergoes a LARGER IMPULSE?

• Happy

• Sad

• Both are EQUAL.

Tags

NGSS.HS-PS2-1

What type of collision would pool balls hitting and bouncing apart be?

• Elastic

• Inelastic

Tags

NGSS.HS-PS2-2

NGSS.HS-PS2-3

BEFORE the cue ball (white) hits the other balls that are stationary, it has ____________ of the momentum in the system.

• some

• half

• all

• no momentum

Tags

NGSS.HS-PS2-2

Where did SOME OF THE MOMENTUM the cue ball (white) had before the collision go?

• into the pool stick

• into the other balls

• it dissipated (disappeared)

• It ALL remained in the cue ball.

Tags

NGSS.HS-PS2-2

The LAW OF CONSERVATION of MOMENTUM states that:

momentum before (P before) ___ momentum after (P after) the collision.

• is GREATER THAN

  >

• is LESS THAN

  <

• Is EQUAL TO

  =

Tags

NGSS.HS-PS2-2