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Work and Machines

Physics

KG - University

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Work and Machines
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27 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

The wedge, screw and lever are all___machines

easy
simple
compound
complicated

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

The mechanical advantage of a machine is the number of times a machine increases the __ exerted on the machine

distance
incline
force
work

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

The ideal mechanical advantage for an inclined plane is equal to the length of the incline divided by

the slope of the incline
the height of the incline
the distance of the incline
the length of the incline

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Power is measured in units called

watts
joules
newtons
kilograms

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

A device that is twice as powerful as another can do ____the amount of work in the same amount of time

2x
4x
3x
the same

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Power is equal to ___divided by time

force
watts
distance
work

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

The ideal mechanical advantage of a wheel and axle is the radius of the wheel ___the radius of the axle

divided by
multiplied by
added to
subtracted from

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