Momentum

Most modern vehicles have padded dashboards. This reduces collision injuries by...

• reducing the driver's change in momentum
• increasing the driver's change in momentum
• increasing the force of impact
• increasing the time of impact

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-3

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-PS2-1

NGSS.HS-PS2-2

A 50 kg ball rolls down the street at 5 m/s. Calculate the momentum of the ball. 

• 55 kg*m/s
• 100 kg*m/s
• 250 kg*m/s
• 500 kg*m/s

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-2

Parkour Peter bends his knees upon landing in order to ____

• reduce his change in momentum
• increase his change in momentum
• increasing his landing time
• increasing his landing force

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-2

Momentum is a ____________________ quantity

• science
• scalar
• vector
• energy

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 equation to calculate momentum is

• p=mv
• p=1/2mv²
• p=mgh
• p=mg

Tags

NGSS.HS-PS2-2

In any collision (crash) the ______ is ALWAYS constant

• Total Momentum
• total speed
• total Velocity
• Energy

Tags

NGSS.HS-PS2-2

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 following has the least amount of momentum?

• An ant walking along the ground
• An ant at rest
• An elephant walking
• An elephant running

Tags

NGSS.HS-PS2-2