Vocab Chapter 4 (Motion)

Question 1

machine that consists of more than one simple machine

Answer 1

Compound Machine

Question 2

measure of how much of the work put into a machine is changed into work done by the machine

Answer 2

Efficiency

Question 3

force exerted on a machine to overcome resistance

Answer 3

Effort Force

Question 4

simple machine consisting of a sloping surface, used for raising heavy bodies

Answer 4

Inclined Plain

Question 5

a simple machine made from a bar that is free to pivot about a fixed point

Answer 5

Lever

Question 6

device that makes doing work easier

Answer 6

Machine

Question 7

number of times a machine multiples the effort force applied to it

Answer 7

Mechanical Advantage

Question 8

amount of work done or the amount of energy transferred in a certain amount of time, measured in watts

Answer 8

Power

Question 9

Simple Machine that consists of a grooved wheel and a rope of chain that runs along a grooved.

Answer 9

Pulley

Question 10

Force applied by a machine to overcome resistance.

Answer 10

Resistance Force

Question 11

simple machine that consists of an inclined plane wrapped in a spiral around a cylindrical post

Answer 11

Screw

Question 12

Machine that does work with only one movement

Answer 12

Simple Machine

Question 13

Simple machine that consists of an inclined plane with one or two sloping sides.

Answer 13

Wedge

Question 14

Simple machine that consists of two different-sized wheels that rotate together.

Answer 14

Wheel and Axle

Question 15

transfer of energy that occurs when a force makes an object move; measured in joules.

Answer 15

Work