Grade 8 graded Quiz Week 19

A ____________ is a push or a pull on an object.

• friction
• force
• magnet
• gravity

___________ is the amount of matter in an object.

• mass
• weight
• volume
• force

The force that opposes the motion of two surfaces sliding past each other is called ___________.

• acceleration
• inertia
• friction
• unbalanced

What is the unit of force?

• Kilogram
• Meter
• Pascal
• Newton

The force that pulls things toward earth.

• Speed
• Gravity

If these boys are pulling with the same amount of force.  What will happen?

• The boy in blue will win.
• They will not move at all.
• The boy in red will win.
• Both will fall down.

What is the net force?

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

Calculate the Net Force. 

• 60N, Left 
• 40N, Right 
• 0N
• 60N, Right

Calculate the Net Force. 

• 40N, Left
• 40N, Right
• 0N, Balanced
• 75N, Right

Balanced or Unbalanced?

• Balanced 
• Unbalanced