Simple Machines Quiz

What is a simple machine made up of a slanted surface?

• Wedge

• Inclined plane

• Screw

• Lever

Which simple machine is made up of two inclined planes?

• Wheel & axle

• Pulley

• Wedge

• Screw

What is a simple machine made up of a stiff bar that moves freely on a fixed point?

• Lever

• Pulley

• Screw

• Inclined plane

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Which simple machine is made up of a rope fitted around the rim of a fixed wheel?

• Wheel & axle

• Pulley

• Lever

• Wedge

What is the force that pulls objects toward each other?

• Friction

• Velocity

• Gravity

• Speed

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What is a measure of the distance an object travels in a certain amount of time?

• Speed

• Velocity

• Motion

• Force

What is a force that slows or stops motion between two surfaces that touch each other?

• Gravity

• Friction

• Force

• Motion

Why are simple machines useful?

• They make objects heavier.

• They help people do work by changing a force.

• They make things move faster.

• They create new energy.

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Name two ways that simple machines change a force.

• By making objects larger and heavier.

• By changing the direction of the force and increasing the distance over which a force is used.

• By creating new forces and stopping motion.

• By making things disappear and reappear.

Name the 6 simple machines.

• Inclined plane, wedge, screw, lever, pulley, and wheel & axle.

• Hammer, nail, saw, drill, pliers, and wrench.

• Bicycle, car, train, airplane, boat, and rocket.

• Computer, phone, tablet, TV, radio, and camera.