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13 Cards in this Set

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Lever
Any bar that pivots on a fixed point called a fulcrum.
Pulley
A grooved wheel in which a rope or chain can pass through.
Wedge
Back-to-back inclined planes that is used to push, seperate or cut.
Screw
An inclined plane wrapped around a cylinder, typically used to fasten things.
Inclined plane
Any slanted surface.
Wheel and axle
Two circular objects of different sizes that are connected, they typically roll.
Lever
What is this simple machine?
Pulley
What is this simple machine?
Inclined plane
What is this simple machine?
Screw
What is this simple machine?
Wedge
What is this simple machine?
Wheel and Axle
What is this simple machine?
Which hammer is easier to use and WHY? A hammer with a short, stubby handle; or a hammer with a long handle?
The hammer with the longer handle is easier because it will be easier to grasp and the work is spread out over a longer distance (longer handle).