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Questions and Answers
Which simple machine uses a single applied force to do work against a single load force?
Which simple machine uses a single applied force to do work against a single load force?
- Lever (correct)
- Wheel and axle
- Pulley
- Inclined plane
What is the term used to describe the ratio of the output force to the applied force in a simple machine?
What is the term used to describe the ratio of the output force to the applied force in a simple machine?
- Applied force
- Frictional force
- Mechanical advantage (correct)
- Load force
Which simple machine is designed to increase the amount of the output force at the cost of a proportional decrease in the distance moved by the load?
Which simple machine is designed to increase the amount of the output force at the cost of a proportional decrease in the distance moved by the load?
- Wheel and axle
- Screw
- Wedge
- Pulley (correct)
Which simple machine is often used for lifting heavy objects and is based on the principle of the inclined plane wrapped around a cylinder?
Which simple machine is often used for lifting heavy objects and is based on the principle of the inclined plane wrapped around a cylinder?
Which simple machine is commonly used for separating or holding materials together and is often misunderstood as a type of wedge?
Which simple machine is commonly used for separating or holding materials together and is often misunderstood as a type of wedge?
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Study Notes
Simple Machines
- A simple machine uses a single applied force to do work against a single load force.
- The ratio of the output force to the applied force in a simple machine is described as the mechanical advantage.
- The lever is a simple machine designed to increase the amount of the output force at the cost of a proportional decrease in the distance moved by the load.
- The screw is a simple machine often used for lifting heavy objects and is based on the principle of the inclined plane wrapped around a cylinder.
- The clamp is a simple machine commonly used for separating or holding materials together and is often misunderstood as a type of wedge.
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