Forces

A force is ____.

• a push or pull that can cause movement

• a magnet

• when someone does not work

A non contact force is

• touching

• not touching

A contact force is

• Touching

• Not Touching

What is the name of the units that we measure force in?

• Einsteins 
• Newtons
• Kg
• Metres

Unbalanced forces acting on an object

• always change the object's motion.

• sometimes change the object's motion.

• never change the object's motion.

• are not related to motion.

An example of a balanced force is

• a tug of war game that no one wins.

• a roller coaster going down the first drop.

• a car hitting a wall.

• a person pushing a shopping cart.

Which of the following is the gravitational force (i.e. weight) acting on the car?

• 1,010 NM

• 13,690 N

• 5.800 N

• 14,700 N

What is the magnitude of the force of friction on the wheelbarrow?

• 176 N

• 9 N

• 44 N

• 27 N

The sum of all forces acting on an object.

• Contact Force
• Balanced Force
• Unbalanced Force
• Net Force

What is the net force of an object that is not moving?

• 0 N
• 100 N
• Upward force
• 10 N