Forces and Energy Review

An object that is sitting still has what forces acting on it?

• Balanced

• Unbalanced

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A box is pushed across the floor and moves it across the room. This is an example of:

• Balanced forces

• Potential Energy

• Strength

• Unbalanced Forces

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An object in motion stays in motion because of _______

• Gravity

• Inertia

• Motion

Acceleration is when:

• An object speeds up

• An object slows down

• An object stops

• An object disappears

When you drop a rock in the ocean, the rock will slow down. Why?

• Gravity

• Less resistance

• Drag forces

• Velocity

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What is another name for energy of motion?

• Kinetic Energy

• Potential Energy

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If an object's speed increases, so will it's

• Kinetic Energy

• Potential Energy

• Chemical Energy

• Friction

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Which force stops almost every moving object on Earth?

• Friction

• Inertia

• Mrs. Hoefer

• Balanced Forces

What is kinetic energy?

• Energy of a moving object

• Energy that is increasing

• Energy that is decreasing

• Energy that is stored

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If a roller coaster is approaching a hill, will its potential energy increase or decrease?

• Increase

• Decrease

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