Force, speed, acceleration review

What is the net force?

• 3 N

• 3 N, right

• 17 N, right

• 3 N, left

Who wins the tug of war with what net force?

• The person on the left with 20 N
• The person on the left with 80 N
• The people on the right with 20 N
• The people on the right with 100 N

What is the net force?

• 20 N 
• 0 N 
• 400 N 
• 40 N 

What is the unit to MEASURE force?

• Kilogram

• Meter

• Pounds

• Newton

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

• friction

• force

• magnet

• gravity

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.

Forces that have a net force of zero Newtons

• Balanced force

• Unbalanced force

This type of force resist motion between two surfaces that are pressed together

• contact
• gravity
• friction

If both forces are going in the same direction you should______ those forces

• Add

• Subtract

• Divide

• Multiply

When forces are going in the opposite direction of each other you should do what do find the net force

• Subtract

• Add

• Divide

• Multiply