Simple Machines Question Preview (ID: 37555)


Simple Machines And Associated Terms. TEACHERS: click here for quick copy question ID numbers.

The percentage of the input work that is converted to output work. The higher the better.
a) Power
b) Work
c) Mechanical Advantage
d) Efficiency

The ratio of output force to input force.
a) Mechanical Advantage
b) Power Ratio
c) Work Output
d) Efficiency

Which of the following is a simple machine?
a) bicycle
b) can opener
c) baseball bat
d) car

A device that combines two or more simple devices.
a) Simple Machine
b) Compound Machine
c) Output force
d) Projectile

a device without moving parts that changes the size or direction of a force
a) Simple machine
b) Compound machine
c) Fulcrum
d) Newton

The fixed point around which a lever pivots.
a) Cylinder
b) Axle
c) Fulcrum
d) Gear

Power is ....
a) the ability to do work or cause change.
b) the ratio of output force to input force.
c) the rate at which work is done.
d) using a force to move an object a distance.

The unit of work.
a) Newton
b) Joule
c) Watt
d) Volt

Which of the following is a requirement for work to be done?
a) Force is exerted.
b) Object is carried.
c) Force moves an object.
d) Machine is used

Which of the following is a form of an inclined plane?
a) screw
b) lever
c) pulley
d) wheel and axle

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