impulse and momentum

All of the following are examples of impulse except..

• A car moving with constant speed

• A tennis ball hitting a racket

• A pencil getting stuck to the ceiling

• A hammer bouncing of a nail

Tags

NGSS.HS-PS2-2

NGSS.HS-PS2-3

A baseball bat applies a force of 500 N to a ball for 0.1s. What was the impulse on the ball?

• 5 N . s

• 500 N .s

• 500 N/s

• 50 N.s

The impulse is _____the change in momentum

• Greater than

• Equal to

• Less than

• Always double

Tags

NGSS.HS-PS2-2

A car crashes into a wall with an impulse of 40,000 kg.m/s. The collision took 2 seconds . How much force did the wall exert?

• 60,000 N

• 40,000 N

• 20,000 N

• 80,000 N

Tags

NGSS.HS-PS2-1

If you push an object with a force of 10 N for 5 seconds , you will change it’s momentum by:

• 2 N s

• 50 N s

• 2 N/s

• 50 N/s

Tags

NGSS.HS-PS2-1

Which of the following does the impulse-momentum equation implies? Check all that apply

• The equation evaluates the change in momentum

• It states that the change in momentum = impulse

• In order to get the largest possible change in momentum, we use the equation to find the smallest impulse possible.

• All of the above

Which has more momentum?

• A parked semi truck

• A moving car

• they have the same amount of momentum

Tags

NGSS.HS-PS2-2

Δp is the symbol for

• velocity
• impulse
• momentum
• change in momentum

Tags

NGSS.HS-PS2-2

The cause of a change in momentum is called 

• force
• impulse
• acceleration
• time

What is the magnitude of the change in velocity for the ball

• 28
• 2
• 58
• 0

Tags

NGSS.HS-PS2-2