2nd Semester Exam Review

What is a force that opposes motion between two surfaces?

• friction
• acceleration
• velocity
• motion

What are two examples of forces?

• Art and Music
• A push or pull
• A stand or ground
• The dark side and the light side

What is motion?

• It's like the ocean
• Any change in an animal or person's position.
• Motion is like acting
• Any change in an object or person's position.

What pulls a ball back to earth?

• Gas
• Gravity
• Friction
• Molecules

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.

The measure of the force of gravity on your body is your _________________

• height
• length
• weight
• age

The tendency of an object at rest to stay at rest unless it is acted upon by a force is ___________________

• inertia
• motion
• gravity
• lubricant

What is the Average Speed?
Distance: 10m
Time: 5s

• 2
• 1/2
• 50
• 100

A _____________________ must be exerted on an object at rest to cause it to move.

• weight
• inertia
• force
• gravity

What 2 things do you need to calculate speed?

• distance and friction
• direction and time
• direction and friction
• distance and time