4/9 Types of Forces

4/9 Types of Forces

Quick Review!

• Force=Push or pull

• Push=Moves things away

• Pull=Moves things closer or picking something up

• Balanced Force=Equal and opposite directions. NO MOTION!

• Unbalanced Force=2 or more forces where one force is stronger. MOTION!

Multiple Choice

When you push or pull something, you are creating_________________.

• weight

• a speed

• a force

• a surface

Multiple Choice

If you pull the cord, what direction will the box move?

• Up
• Down
• Left
• Right

Multiple Choice

Which of the following would it take the most force to move?

• a 3-pound ball

• a 5 pound ball

• a 15 pund ball

• a 25 pound ball

Multiple Choice

What will cause an object to move?

• Applied forces
• Balanced forces
• Unbalanced forces

Multiple Choice

If these teams 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.

Multiple Choice

True or False: Gravity is when a force pulls an object towards another object.

• True

• False

Multiple Choice

True or False: Mass is affected by gravity.

• True

• False

Multiple Choice

What is friction?

• The force that slows down an object that is rubbing on a surface.

• Push or pull

• Weight of an object

Multiple Choice

Why is it harder for the boy in Image B to get down the hill?

• Motion
• Friction
• Work
• Displacement