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Chapter 8 Open-book

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1.
1 point
Which equation would you use to find the mechanical advantage?
2.
1 point
Which of the following causes machines to not be 100% efficient?
3.
1 point
A moving object has this type of energy
4.
1 point
What is the work done by a machine on an object?
5.
1 point
A fixed point on a lever
6.
1 point
A machine consisting of two circular objects of different sizes
7.
1 point
A machine that has a bar that pivots at a fixed point
8.
1 point
What is the work that you do on a machine?
9.
1 point
A lever where the input force is between the fulcrum and the load
10.
1 point
Used to calculate power
11.
1 point
A machine with a grooved wheel holding a rope
12.
1 point
The unit used to express power
13.
1 point
A pair of inclined planes that move
14.
1 point
The rate at which energy is transferred
15.
1 point
The transfer of energy using a force that causes the object to move in the direction of the force
16.
1 point
What is the number of times a machine multiplies force?
17.
1 point
A machine that is a straight, slanted surface
18.
1 point
A machine that is made up of two or more simple machines
19.
1 point
Which of the following is a comparison of a machine's work output with the work input?
20.
1 point
The unit used to express work
21.
1 point
What is a device that makes work easier by changing the size or direction of force?
22.
1 point
A lever where the load is between the input force and the fulcrum
23.
1 point
Used to calculate work
24.
1 point
A lever where the fulcrum is between the input force and the load
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