Momentum, Impulse and Force

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

• twice the momentum; 48 kg*m/s

• 1/2 the momentum; 12 kg*m/s

• 4x the momentum; 96 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?

• 8 m/s

• 32 m/s

• 0.125 m/s

• 18 m/s

Tags

NGSS.HS-PS2-2

What is the momentum if the mass is of an object is 50 kg and it has a velocity of 25 m/s?

• 2 kg*m/s

• 125 kg*m/s

• 10 kg*m/s

• 1250 kg*m/s

Tags

NGSS.HS-PS2-2

Cart A is pulled with a 2 Newton force for 2 seconds, and Cart B is pulled with a 1 Newton force for 3 seconds. Which cart experiences the greatest impulse?

• Cart B

• Cart A

• they are the same

Tags

NGSS.HS-PS2-2

A 5 N force is applied to a 3 kg ball to change its velocity from +9 m/s to +3 m/s. The impulse on the ball is ______.

• 2.5 N s

• 10 N s

• -18 N s

• -45 N s

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-2

Which has more momentum?

• A parked semi truck

• A moving car

• they have the same amount of momentum

Tags

NGSS.HS-PS2-2

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

• twice the momentum; 48 kg*m/s

• 1/2 the momentum; 12 kg*m/s

• 4x the momentum; 96 kg*m/s

• 1/4 the momentum; 6 kg*m/s

Tags

NGSS.HS-PS2-2

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

• size and shape

• mass and speed

• mass and veloctiy

• mass and energy

Tags

NGSS.HS-PS2-2

The purpose of crumble 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

An egg is thrown at a wall and at a bed sheet. The force of impact will be

• Greater against the wall

• Greater against the sheet

• Force is equal

Tags

NGSS.MS-PS2-1