Energy and Work Quiz

What is work?

• A change in an object’s position

• When a force moves an object over a distance

• A push or pull on an object

• A type of simple machine

Tags

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What is friction?

• A force that resists motion

• The force pulling objects to the ground

• The energy of motion

• A grooved wheel with a rope

Which type of simple machine uses a slanted surface to make work easier?

• Pulley

• Inclined plane

• Lever

• Wheel and axle

What is the definition of a collision?

• A change in an object’s position

• When one object comes in contact with another object

• A push or pull applied to an object

• The movement of energy from one place to another

Tags

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Which force pulls objects toward the center of the Earth?

• Friction

• Gravity

• Effort

• Load

Tags

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What is a lever?

• A flat, slanted surface

• A bar that turns on a point

• A wheel with an axle running through it

• An inclined plane wrapped around a cylinder

What is the point on which a lever turns called?

• Fulcrum

• Load

• Effort

• Motion

What is the definition of force?

• A measurement of how fast an object moves

• A push or pull on an object

• Energy caused by vibrations

• A change in energy from one form to another

Tags

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Which type of simple machine is a grooved wheel with a rope?

• Wedge

• Screw

• Pulley

• Wheel and axle

Which type of energy resists motion?

• Friction

• Gravity

• Potential energy

• Kinetic energy