# Study sets matching "machines work power"

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)

Work

Power

Mechanical Advantage

Mechanical Efficiency

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

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

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 causing…

Power

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

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)

Work

Power

Mechanical Advantage

Mechanical Efficiency

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

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

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 causing…

Power

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

work

power

efficiency

machine

force applied over a distance

the rate at which work is done

ratio of output work to input work

device with moving parts

work

force applied over a distance

power

the rate at which work is done

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

Power

Machines

Input force

The product of force and distance

Rate of doing work

Make work easier by changing size of force needed, direction,…

Force exerted on a machine

Work

The product of force and distance

Power

Rate of doing work

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

Work

Power

Force

Calculating Work

Force exerted on an object that causes it to move. The object…

How fast work is done

A push or a pull

Force x Distance

Work

Force exerted on an object that causes it to move. The object…

Power

How fast work is done

What energy is used to do

Force applied through a distance

2 requirements for work to exist:

How fast work is done

Work

Work

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

Power

What energy is used to do

Work

Force applied through a distance

Work

What energy is used to do

Force applied through a distance

2 requirements for work to exist:

How fast work is done

Work

Work

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

Power

What energy is used to do

Work

Force applied through a distance

Work

What energy is used to do

Force applied through a distance

2 requirements for work to exist:

How fast work is done

Work

Work

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

Power

What energy is used to do

Work

Force applied through a distance

Work

Joule

Work

Work Equation

Power

Unit of work

Transfer of energy that occurs when a force makes an object mo…

W=Fd

Amount of work done in a given amount of time

Joule

Unit of work

Work

Transfer of energy that occurs when a force makes an object mo…

What energy is used to do

Force applied through a distance

2 requirements for work to exist:

How fast work is done

Work

Work

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

Power

What energy is used to do

Work

Force applied through a distance

Work

Work

Work =

Power =

Examples of levers

this is done on an object when the object MOVES in the directi…

FORCE X DISTANCE

WORK/TIME

baseball bat, bottle opener, and wheelbarrow

Work

this is done on an object when the object MOVES in the directi…

Work =

FORCE X DISTANCE

What energy is used to do

Force applied through a distance

2 requirements for work to exist:

How fast work is done

Work

Work

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

Power

What energy is used to do

Work

Force applied through a distance

Work

work

energy

work (formula)

Joule

the use of force to move an object some direction of the force

the ability to do work

w = f x d

SI unit for work (1N x 1M = 1J)

work

the use of force to move an object some direction of the force

energy

the ability to do work

Work

Power

Fulcrum

Resistance Force

The movement of an object when a force is applied. W=f*d

Rate at which work is done. Calculated by dividing joules by s…

Stationary point of lever in which the rigid arm moves around.

The load/object being moved

Work

The movement of an object when a force is applied. W=f*d

Power

Rate at which work is done. Calculated by dividing joules by s…

What energy is used to do

Force applied through a distance

2 requirements for work to exist:

How fast work is done

Work

Work

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

Power

What energy is used to do

Work

Force applied through a distance

Work

What energy is used to do

Force applied through a distance

2 requirements for work to exist:

How fast work is done

Work

Work

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

Power

What energy is used to do

Work

Force applied through a distance

Work

power

work

efficiency

input force

The rate at which work is done

the transfer of energy from one abject to another

comparison of the amount of work put into a machine to the amo…

the force applied to a machine

power

The rate at which work is done

work

the transfer of energy from one abject to another

What energy is used to do

Force applied through a distance

2 requirements for work to exist:

How fast work is done

Work

Work

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

Power

What energy is used to do

Work

Force applied through a distance

Work

Lever

Pulley

Inclined Plane

Screw

a bar that pivots on a fixed point

wheel with rope wrapped around it

has a straight, slanted surface - a ramp

inclined plane wrapped around a spiral

Lever

a bar that pivots on a fixed point

Pulley

wheel with rope wrapped around it

What energy is used to do

Force applied through a distance

2 requirements for work to exist:

How fast work is done

Work

Work

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

Power

What energy is used to do

Work

Force applied through a distance

Work

What energy is used to do

Force applied through a distance

2 requirements for work to exist:

How fast work is done

Work

Work

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

Power

What energy is used to do

Work

Force applied through a distance

Work