Force, Friction, and Momentum

The force of gravity acting on an object is the object's ______.

• mass
• matter
• weight 
• friction 

Tags

NGSS.MS-PS2-4

What is the net force?

• 5.5 N left
• 5.5 N right
• 2.5 N left
• 2.5 N right

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Which of the following is the formula for momentum?

• p = mv

• M = mv

• F = ma

• g = mc²

Tags

NGSS.HS-PS2-2

Which of the following is the unit for momentum?

• kg·m/s

• kg·m

• kg·m/s²

• Momentum has no unit.

Tags

NGSS.HS-PS2-2

Calculate the momentum of a 55-kg running back moving forward at 10 m/s. (p=mv)

• 550 kg·m/s

• -550 kg·m/s

• 5.5 kg·m/s

• -5.5 kg·m/s

Tags

NGSS.MS-PS2-1

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.MS-PS2-1

NGSS.MS-PS2-2

What happens if forces are balanced?

• The object will move left

• The object will move right

• The object will not move

• The object will but slow down

Tags

NGSS.HS-PS2-1

What happens if forces are unbalanced?

• The object will changed direction, shape or speed

• It will move left

• It will move right

• It will only slow down

Tags

NGSS.MS-PS2-2

What is the net force? Forces moving in the same direction are added together.

• 40 N left
• 0 N Balalnced
• 400 N right
• 40 N right

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What is a formula for force?

• F = mc

• F = ma

• F = mb

• F = m

Tags

NGSS.MS-PS2-2