# Study sets matching "machines work simple"

Study sets

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mechanical advantage

fulcrum

load

simple machines

The number of times a machine multiplies force.

the point where a lever arm "pivots"

The weight or resistance that is moved using a simple machine.

lever, pulley, wheel and axle, inclined plane, wedge, and screw

mechanical advantage

The number of times a machine multiplies force.

fulcrum

the point where a lever arm "pivots"

mechanical advantage

effort

fulcrum

lever arm

When a simple machine increases the force. ... "It makes effort e…

same as "force" (a push or a pull)

the point where a lever arm "pivots"

A beam, free to pivot on a point, used to move a load.

mechanical advantage

When a simple machine increases the force. ... "It makes effort e…

effort

same as "force" (a push or a pull)

work

power

actual mechanical advantage

percent efficiency

when a force moves an object in the direction of that force

amount of work done in a given amount of time

output force divided by input force

(work output divided by input work) times 100

work

when a force moves an object in the direction of that force

power

amount of work done in a given amount of time

work

power

input force

output force

is done when a force exerted on an object causes that object t…

rate at which work is done; equal to the work done divided by…

force exerted on a machine

force exerted by a machine

work

is done when a force exerted on an object causes that object t…

power

rate at which work is done; equal to the work done divided by…

Work

simple machine

Lever

Fulcrum

Moving an object through a distance

Something that makes work easier.

A simple machine made of a bar or board that moves back and fo…

The point that supports a lever.

Work

Moving an object through a distance

simple machine

Something that makes work easier.

work

power

efficiency

mechanical advantage

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

The rate of work being done. Measured in Watts (W).... (equation)…

total work or energy input into a machine compared to the work…

number of times a machine increases a force... (equation) _______…

work

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

power

The rate of work being done. Measured in Watts (W).... (equation)…

Work

Power

Wheel & Axle

Pulley

When you exert a force on an object that causes the object to…

The rate at which work is done.

A simple machine made of two circular or cylindrical objects f…

A simple machine made of a grooved wheel with a rope or cable…

Work

When you exert a force on an object that causes the object to…

Power

The rate at which work is done.

work

joule

machine

work input

Force x Distance

A measure of work or energy. One joule of energy produces one…

A device that makes work easier by changing the size or direct…

The work done on a machine; the product of the input force and…

work

Force x Distance

joule

A measure of work or energy. One joule of energy produces one…

Work

Power

Input Force

Output Force

Is done when a force exerted on an object causes that object t…

Rate at which work is done; equal to the work done divided by…

Force exerted on a machine.

Force exerted by a machine.

Work

Is done when a force exerted on an object causes that object t…

Power

Rate at which work is done; equal to the work done divided by…

fulcrum

machine

mechanical advantage

input force

the fixed point that a lever pivots around

device that changes the force required or the distance over wh…

number of times a machine multiplies input force

the force applied to the machine

fulcrum

the fixed point that a lever pivots around

machine

device that changes the force required or the distance over wh…

Work

Kinetic energy

work formula

joule

when a force acts on an object and causes that object to move…

The transfer of energy or energy of a moving object.

force (N) x distance (m)

SI unit for work (N x m)

Work

when a force acts on an object and causes that object to move…

Kinetic energy

The transfer of energy or energy of a moving object.

What is work?

How is work measured?

How do you calculate work?

What does a machine do?

The transfer of energy to an object that causes the object to…

Work is measured in joules.

You must multiply force by distance.

It makes work easier.

What is work?

The transfer of energy to an object that causes the object to…

How is work measured?

Work is measured in joules.

What energy is used to do

Force applied through a distance

3 requirements for work to exist:

Unit for work

Work

Work

1. The is a Force applied... 2. The force and the distance must b…

Joules (J)

What energy is used to do

Work

Force applied through a distance

Work

work

power

actual mechanical advantage

percent efficiency

when a force moves an object in the direction of that force

amount of work done in a given amount of time

output force divided by input force

(work output divided by input work) times 100

work

when a force moves an object in the direction of that force

power

amount of work done in a given amount of time

mechanical advantage

fulcrum

load

simple machines

The number of times a machine multiplies force.

the point where a lever arm "pivots"

The weight or resistance that is moved using a simple machine.

lever, pulley, wheel and axle, inclined plane, wedge, and screw

mechanical advantage

The number of times a machine multiplies force.

fulcrum

the point where a lever arm "pivots"

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

Work Equation

Joule

Simple Machine

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

Work = force times distance

Metric unit of work and energy

A device that makes work easier, using only one movement.

Work

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

Work Equation

Work = force times distance

pulley

inclined plane

lever

gears

A simple machine that helps lift a load higher while requiring…

A simple machine with a slanted surface that decreases the amo…

Simple machine made of a fulcrum, arm, load, and effort. Reduc…

A special type of wheel with teeth.

pulley

A simple machine that helps lift a load higher while requiring…

inclined plane

A simple machine with a slanted surface that decreases the amo…

mechanical advantage

fulcrum

load

simple machines

The number of times a machine multiplies force.

the point where a lever arm "pivots"

The weight or resistance that is moved using a simple machine.

lever, pulley, wheel and axle, inclined plane, wedge, and screw

mechanical advantage

The number of times a machine multiplies force.

fulcrum

the point where a lever arm "pivots"