Momentum

Momentum is the product of:

• mass and velocity

• mass and acceleration

• force and velocity

• force and acceleration

Tags

NGSS.HS-PS2-2

What causes a change in an object's momentum?

• Mass

• Velocity

• Impulse

• Time

Tags

NGSS.HS-PS2-2

If identical eggs are thrown, one at a wall and one at a bedsheet, both eggs will experience the same: (choose two answers)

• Force

• Time

• Impulse

• Change in Momentum

If identical eggs are thrown, one at a wall and one at a bedsheet, which egg will experience the greater force?

• Wall egg

• Bedsheet egg

• They will be equal

Tags

NGSS.HS-PS2-1

If identical eggs are thrown, one at a wall and one at a bedsheet, which egg will experience the greater time of contact?

• Wall egg

• Bedsheet egg

• They will be equal

An elastic collision conserves

• momentum only

• energy only

• both momentum and energy

• neither momentum nor energy

An inelastic collision conserves

• momentum only

• energy only

• both momentum and energy

• neither momentum nor energy

True or False: Momentum is always conserved.

• True

• False

Tags

NGSS.HS-PS2-2

How can you find impulse from a force vs. time graph?

• Slope of the line

• Area under the curve

• Read the point directly off the graph

• You can't, you need different values

A 35 kg child runs across a store at 4 m/s and jumps onto a 30 kg shopping cart initially at rest. At what speed will the shopping cart and the child move together across the store? 

• 1 m/s
• 2.2 m/s
• 5 m/s
• 6.2 m/s

Tags

NGSS.HS-PS2-2