# Study sets matching "machines work power"

Study sets

Diagrams

Classes

Users

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

When is work done?

Calculating Work

Joule

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

work is only done if an object moves in the same direction as…

W = F x d or W = N x m = J

a unit used to measure work in terms of newtons x meters = a n…

Work

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

When is work done?

work is only done if an object moves in the same direction as…

100% efficiency of a machine

power

joule

work

False because the ideal machine does not exist

rate of work done, calculated by taking work divided by time... m…

the SI unit for work

When an object moves in the same direction in which the force…

100% efficiency of a machine

False because the ideal machine does not exist

power

rate of work done, calculated by taking work divided by time... 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)

fulcrum

effort (input) arm

effort (input) force

lever

a fixed point on a lever

the side of the lever where the input force is applied

the force applied to a machine

a stiff structure that rotates around a fixed point called a f…

fulcrum

a fixed point on a lever

effort (input) arm

the side of the lever where the input force is applied

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

Simple Machine

Work

Inclined Plane

Wedge

A device that makes work easier by allowing force (push or pul…

Moving an object from one place to another. Force multiplied b…

A flat, slanting surface connecting a lower level to a higher…

An object with at least one slanting side ending in a sharp ed…

Simple Machine

A device that makes work easier by allowing force (push or pul…

Work

Moving an object from one place to another. Force multiplied b…

work

power

joule

watt

the product of distance and the force in the direction an obje…

the rate of doing work

(J) the SI unit of work, equal to 1 newton-meter

(W) the SI unit for power, equal to one joule per second

work

the product of distance and the force in the direction an obje…

power

the rate of doing work