Energy,work, and simple machines

Question 1

A unit used to measure energy and work

Answer 1

Joule

Question 2

Stored energy

Answer 2

Potential Energy

Question 3

The energy of motion

Answer 3

Kinetic energy

Question 4

The combination of kinetic and potential energy

Answer 4

Mechanical energy

Question 5

No matter how transferred or transformed all of the energy is still present in one form or another

Answer 5

Law of Conservation of energy

Question 6

The rate at which work is done

Answer 6

Power

Question 7

The unit of measurement for power

Answer 7

Watt

Question 8

The unit of measurement for power for engines and motors

Answer 8

Horsepower

Question 9

The use of force to move an object

Answer 9

Work

Question 10

any device that makes doing work easier

Answer 10

Machine

Question 11

The number of times a machine multiplies the input force

Answer 11

Mechanical advantage

Question 12

The percentage of the input work done on a machine that the machine can return in output work

Answer 12

Efficiency

Question 13

One of the basic machine son which all other machines are based

Answer 13

Simple machine

Question 14

A solid bar that rotates or turns around a fixed point

Answer 14

Lever

Question 15

A fixed point around which a lever rotates

Answer 15

Fulcrum

Question 16

A simple machine that is a wheel attached to an axle

Answer 16

Wheel and axle

Question 17

A wheel with a grooved rim that turns on an axle

Answer 17

Pulley

Question 18

A simple machine that is a sloping surface

Answer 18

Inclined plane

Question 19

A simple machine that has a thick end and a thin end

Answer 19

Wedge

Question 20

A simple machine that is an inclined plane wrapped around a cylinder

Answer 20

Screw