Machines

Question 1

The number of times a machine multiplies the input force; output force divided by input force

Answer 1

Mechanical Advantage

Question 2

The percentage of the input work done on a machine that the machine can return in output work.A machine’s output work divided by its input work and multiplied by 100

Answer 2

Efficiency

Question 3

One of the basic machines on what all other mechanical machines are based.The six machines are the lever, inclined plane, wheel and axle, pulley, wedge, and screw

Answer 3

Simple Machine

Question 4

A solid bar that rotates, or turns, around a fulcrum; one of the six simple machines

Answer 4

Lever

Question 5

A fixed point around which a lever rotates

Answer 5

Fulcrum

Question 6

A simple machine that is a wheel attached to a shaft, or axle

Answer 6

Wheel And Axle

Question 7

A wheel with a grooved rim that turns on an axel; one of the six simple machines

Answer 7

Pulls

Question 8

Any device that makes doing work easier

Answer 8

Machine