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Simple Machines
Test Description: Complete the questions on simple and complex machines.
Instructions: Answer all questions to get your test result.
1) When a force (effort force) is applied over a distance..
A
Simple Machine
B
Force
C
Complex Machine
D
Work
2) Consists of two circular objects: a central shaft inserted through the middle of a wheel.
A
Pulley
B
Inclined Plane
C
Wheel and Axle
D
Screw
3) One inclined plane or two back-to-back inclined planes that can move. (knife blades or nails)
A
Screw
B
Wheel and Axle
C
Wedge
D
Fulcrum
4) A device that helps reduce the amount of force required to do work.
A
Effort Force
B
Simple Machine
C
Fulcrum
D
Work
5) Inclined planes that are wound around a post or cylinder.
A
Wheel and Axle
B
Screw
C
Complex Machine
D
Pulley
6) A grooved wheel with a rope running along the groove.
A
Inclined Plane
B
Pulley
C
Screw
D
Wheel and Axle
7) A rigid bar or board that is free to move around a fixed point called a fulcrum.
A
Lever
B
Pulley
C
Screw
D
Wheel and Axle
8) A sloping surface, like a ramp, that reduces the amount of force required to lift an object.
A
Wheel and Axle
B
Inclined Plane
C
Screw
D
Pulley
9) Also known as compound machines, consist of two or more simple machines.
A
Complex Machine
B
Big Machine
C
Effort Force
D
Simple Machine
10) The amount of energy put into work.
A
Attempt
B
Input energy (effort)
C
Output energy
D
Complex Machine
*select an answer for all questions
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