Force

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.

Balanced or unbalanced?

• balanced
• unbalanced

Forces that have a net force of zero Newtons

• Balanced force

• Unbalanced force

The sum of all forces acting on an object.

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

What is a Force?

• The distance
• Mass
• A push or pull
• Give me a  failing grade 

What force holds the planets in motion around the sun?

• Magnetic
• Electrical
• Gravitational
• Air Resistance

All objects in the universe have a gravitational attraction to each other. 

• True
• False

Jupiter has about 317 times more mass than Earth. What can you infer from this fact? 

• That Jupiter’s gravitational force is much weaker than on Earth’s gravitational force.
• That Jupiter’s gravitational force is much stronger than Earth’s gravitational force.
• That Jupiter’s and Earth’s gravitational forces are equal.
• Mass has no effect on the gravitational force between two objects

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

• contact
• gravity
• friction