#### Study sets matching "machines work power"

#### Study sets matching "machines work power"

Work

Formula for Work

Unit for Force

Unit for Distance

Applying a force on an object that moves in the same directio…

Work = Force x Distance; W = F x D

Newtons

Meters

Work

Applying a force on an object that moves in the same directio…

Formula for Work

Work = Force x Distance; W = F x D

Work

Power

Mechanical Advantage

Mechanical Efficiency

Force x Distance. When a force is applied to an object causin…

Work / Time. How fast work is done (unit of measurement is th…

A number that tells how many times a machine multiplies force

Comparison of a machines work output with work input (usually…

Work

Force x Distance. When a force is applied to an object causin…

Power

Work / Time. How fast work is done (unit of measurement is th…

work

Formula for work

effort force (input force)

resistance force (output force)

transfer of energy when a force makes something move

work (j) = applied force (N) X distance (m)

force applied by the user of the machine

force applied by the machine to do the work

work

transfer of energy when a force makes something move

Formula for work

work (j) = applied force (N) X distance (m)

Pulley

Lever

Input arm

Output arm

Consists of a rope that fits into a grooved wheel

A bar that is free to move around a fixed point

Distance between input force and fulcrum

Distance between output force and fulcrum

Pulley

Consists of a rope that fits into a grooved wheel

Lever

A bar that is free to move around a fixed point

Joule

first class lever

compound machine

person doing work

unit for work

simple machine with the fulcrum in middle of arm

machine made of two or more simple machines

person lifting a box of 15 Newtons

Joule

unit for work

first class lever

simple machine with the fulcrum in middle of arm

Work

Joule (J)

Power

Watt (W)

When a force causes an object to move in the direction of the…

The unit of work, also known as newton-meter (N×m)

How fast energy moves from one object to another/ How fast wo…

The unit of power, joules per second. 1 J/s= 1 W

Work

When a force causes an object to move in the direction of the…

Joule (J)

The unit of work, also known as newton-meter (N×m)

mechanical energy

work energy theorem

energy

work

sum of potential and kinetic energy

the work done on an object is equal to its change in energy

the property of an object that allows it to do work

the product of the force applied and the distance over which…

mechanical energy

sum of potential and kinetic energy

work energy theorem

the work done on an object is equal to its change in energy

What energy is used to do

Force applied through a distance

2 requirements for work to exist:

To get more power, do the same work in…

Work

Work

1. There must be movement. Distance cannot equal ZERO.... 2. The…

shorter

What energy is used to do

Work

Force applied through a distance

Work