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Science II
Question | Answer |
---|---|
The fixed point. | Fulcrum |
A tool that makes work easier;occurs when a Force cause an object to move in the direction of the applied force. | Machine |
A machine that does work with only one movement. | Simple Machine |
A bar the moves around a fixed point. Ex: A seasaw | Lever |
The part of the lever on which a person or another machine applies force. | Effort Arm |
The part of the lever that applies a force on an object. | Resistance Arm |
A wheel that has a groove along its edge; a rope looped around the wheel of an wheel and axle. Ex: A flagpole | Pulley |
A type of simple machine in which either a wheel turns an axle or an axle turns a wheel around a central pivot. Ex: A doorknob | Wheel & Axle |
A slope that makes it easier to lift an object. Ex: A ramp in a parking garage | Inclined Plane |
An inclined plane that is wound around a post. Ex: Nuts and Bolts | Screw |
Two inclined planes placed back to back. Ex: An object with a sharp edge such as knives, axes, a pair of scissors etc. | Wedge |
The object moved by a lever. | Load |