Force and Motion

What is force?

• A force is a push or a pull upon an object resulting from the object's interaction with another object.
• something used in Star Wars 
• It is the amount of space between two points.
• It is Superman's power

This is an example of what kind of force?

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

If an object is stationary (not moving) the forces acting upon it are _____________

• unbalanced
• weak
• balanced
• Hulk Smash!

Why does a rolling ball stop?

• Gravity
• Friction
• Waterfalls
• Sand

A push or pull that causes a change in motion

• Friction
• Gravity
• Force
• Mass

A force that opposes motion

• Force
• Friction
• Gravity
• Magnetism

The amount of matter in an object

• weight
• force
• gravity
• mass

Changes in our speed, direction  or both are called _________.

• gravity
• changes
• acceleration
• deceleration

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.

What pulls a ball back to earth?

• Gas
• Gravity
• Friction
• Molecules