Force and Motion

A _____________________ must be exerted on an object at rest to cause it to move.

• weight
• inertia
• force
• 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.

The two poles on a magnet are

• north and east
• north and west
• south and north
• south and west

What pulls a ball back to earth?

• Gas
• Gravity
• Friction
• Molecules

If you put a __________________ pole and a south pole together, they attract. 

• North
• South
• Positive
• Magnetic

_____ is the force that slows and stops motion between touching objects.

• Friction
• Gravity
• Pull
• Push

To repel means....

• To push away
• A force created by magnets that pulls some metals
• To Pull towards
• An object able to pull some metals towards itself

What pulls a ball back to earth?

• Gas
• Gravity
• Friction
• Molecules

A push or pull on an object

• energy

• speed

• force

• work

A _____ moves an object closer to you.

• push
• pull
• friction
• cat