Momentum/Impulse Exit Ticket #1

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

• mass and energy

• mass and veloctiy

• mass and speed

• size and shape

Tags

NGSS.HS-PS2-2

The impulse-momentum theorem states that

• the impulse on an object is less than the change in momentum it causes

• the impulse on an object is greater than the change in momentum it causes 

• the impulse on an object is equal to the change in momentum it causes 

• the force on a moving object is equal to the magnitude of the impulse.

Tags

NGSS.HS-PS2-2

A boy kicks a football with a force of 20 N, the time the force acts for is 0.3 s.

Calculate the impulse on the ball.

• 1 N·s

• 6 N·s

• None of these

• 66 N·s

Tags

NGSS.HS-PS2-1

When the speed of an object is doubled, its momentum...

• remains unchanged in accord with the conservation of momentum.

• quadruples.

• decreases.

• doubles.

Tags

NGSS.HS-PS2-2

If two objects have the same mass, then the faster moving object has ____________ momentum.

• less

• the same

• more 

• None of these

Tags

NGSS.HS-PS2-2

Which takes more force  to catch, a bowling ball or a ping pong ball?

• bowling ball because it has more momentum

• bowling ball because it has less momentum

• both require the same amount of force when catching

• ping pong ball because it has more momentum

Tags

NGSS.HS-PS2-2

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

• one is moving backwards

• have the same speed

• they can't

• have different speeds

Tags

NGSS.HS-PS2-2

Which has more momentum?

• A bus stopped at a stop sign

• A bus barreling down the road (v = 10 m/s)

• A hummingbird zipping down the street (v = 1 m/s)

• A hummingbird hovering at a feeder

Tags

NGSS.HS-PS2-2

A bicycle has a momentum of 24 kg•m/s. What momentum would the bicycle have if it had twice the mass and was moving at the same speed?

• 4x the momentum; 96 kg*m/s

• twice the momentum; 48 kg*m/s

• 1/2 the momentum; 12 kg*m/s

• 1/4 the momentum; 6 kg*m/s

Tags

NGSS.HS-PS2-2

A 2 kg cart has a momentum of 16 kg m/s. What is its velocity?

• 32 m/s

• 8 m/s

• 0.125 m/s

• 18 m/s

Tags

NGSS.HS-PS2-2