momentum and impulse test

Which of the following has the greatest momentum?

• a scurrying cockroach

• a parked semi-truck

• more information is needed

Tags

NGSS.HS-PS2-2

If a net force is acting on an object, 

• its velocity must be constant
• its velocity must be changing
• its mass must be changing
• its acceleration = 0 

Tags

NGSS.HS-PS2-1

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

Determine the momentum of 1000-kg car moving northward at 20 m/s......... 

• 20000 N
• 20000 Joules
• 20000 Kg * m/s
• 20000 kg * m/s north

Tags

NGSS.HS-PS2-2

The definition of momentum is

• Mass in Motion
• The size of an object
• The velocity of an object
• A comparison between two objects

Tags

NGSS.HS-PS2-2

What is the unit for velocity?

• m/sec

• kg/sec

• kg/m

• kg x m/sec

What is the unit for mass?

• m/sec
• kg/sec
• kg
• kg m/sec

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-PS2-2

Which of the following has the MOST momentum? (they are all rolling at the same velocity)

• rolling ping-pong ball

• rolling bowling ball

• rolling soccer ball

• rolling basketball

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