Force and Motion Review

What is force?

• a push or pull

• speed or acceleration

• potential or kinetic energy

• balanced or unbalanced force

What force keeps us pulled down on Earth?

• Friction

• Motion

• Gravity

• Magnetism

What is a force that works AGAINST motion to slow things down?

• Force

• Motion

• Gravity

• Friction

Why is it harder for the boy in Image B to get down the hill?

• Motion
• Friction
• Work
• Displacement

How is gravity affected by mass?

• the larger the mass of the object, the greater the gravity
• small objects have no gravity
• gravity is not affected by mass of objects, whether large or small

Which force produces a change in motion?

• unbalanced force
• balanced force
• gravitational force
• frictional force

Why does a rolling ball stop? What slows it down?

• Gravity

• Friction

• Waterfalls

• Sand

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.

Which surface will most likely slow a rolling ball down? 

• tile
• ice
• grass

If there is ice on the highway, how can we increase friction to make the highway rougher?

• oil

• sand

• water

• salt