5.2,5.3- Forces and Friction. Intro

A push moves things _______ .

• Close to you

• Away from you

A pull moves things _______ .

• Close to you

• Away from you

Which requires more force to move it?

• A heavy object, like a bowling ball.

• A light object, like a tennis ball

Which force pulls objects towards the center of the earth?

• Gravity

• Friction

Forces can be applied in different directions.

• TRUE

• FALSE

A force can____________.

• make an object move

• make a moving object stop moving

• slow an object down

• all of the above

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

Why is person B having a hard time moving down the hill?

• Person B has more friction than person A.
• Person B has the same friction as person A.
• Person B is out of shape.
• Person B has less friction has person A.

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.

This is an example of what kind of force?

• Balanced Force
• Pushing Force
• Gravity Force
• Unbalanced Force