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April 26 Science

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1.
1 point
Fixed point on a lever.
2.
1 point
Part of a lever on which a person or another machine applies a force.
3.
1 point
the force that pulls everything toward the center of Earth
4.
1 point
the forces acting on an object that cause a change in velocity, making the object speed up, slow down, or change direction.
5.
1 point
a simple machine that has a central pivot around which a wheel moves.
6.
1 point
a wheel that has a groove along its edge.
7.
1 point
the ratio of work that comes out of a machine to the work put inot that machine.
8.
1 point
part of a lever that applies force on an object.
9.
1 point
a flat, sloping surface
10.
1 point
the measure of the total distance an object has moved divided by the total time elapsed.
11.
1 point
the opposite forces acting on an object that cancel each other out
12.
1 point
The speed of an object in a particular direction
13.
1 point
lt when a force causes an object to move.
14.
1 point
a measure of how far something moves during a period of time
15.
1 point
The metric unit for forces including weight.
16.
1 point
A simple machine having an arm that moves about a fixed point.
17.
1 point
an inclined plane wrapped around a cylinder or cone.
18.
1 point
A push or a pull
19.
1 point
A force that opposes motion whenever two surfaces rub against each other
20.
1 point
a simple machine composed of one or two inclined planes.
21.
1 point
a device that is made up to two or more simple machines.
22.
1 point
A device that changes the amount of force applied to an object, the dfirection of force, or both.
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