Forces

What is the net force?

• 20 N 
• 0 N 
• 400 N 
• 40 N 

What is the unit to MEASURE force?

• Kilogram

• Meter

• Pounds

• Newton

What is the net force?

• 10 N
• 0 N
• 25 N
• 1 N

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.

What will cause an object to move?

• Applied forces
• Balanced forces
• Unbalanced forces

What force holds the planets in motion around the sun?

• Magnetic
• Electrical
• Gravitational
• Air Resistance

When an object is moving, friction acts in the _______ direction as the motion.

• perpendicular

• same

• opposite

• precise

What do we call the forwards force produced by an aeroplane's engine or propeller?

• thrust
• friction
• weight
• gravity

The three examples pictured are of

• Non-contact Forces

• Contact Forces

A force is ____.

• a push or pull that can cause movement

• a magnet

• when someone does not work