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Energy

Force

Work

Power

the ability to do work

A push or a pull-may be the weight- unit is Newtons

anytime a force moves an object (force and motion must be in…

How fast work gets done. Unit is Watts.

Energy

the ability to do work

Force

A push or a pull-may be the weight- unit is Newtons

Work

Power

Rate

Distance

F x D or Newton-meter. The transfer of energy to an object. T…

w/t or J/s. The rate at which energy is transferred. This is…

energy / time

Measured in meters

Work

F x D or Newton-meter. The transfer of energy to an object. T…

Power

w/t or J/s. The rate at which energy is transferred. This is…

work

power

machines

input vs output force

A force acting through a distance example; if you pick up a g…

The rate at which work is done or the amount of work per unit…

An instrument that makes work easier

input force - The force that is applied to the machine ( effo…

work

A force acting through a distance example; if you pick up a g…

power

The rate at which work is done or the amount of work per unit…

What is the definition for work?

what is the definition of power?

what is work also known as?

give an example in which work is done

the transfer of a force over a distance in the same direction…

the rate at which work is done.

the transfer of energy

when a teacher pushes a chair across the floor

What is the definition for work?

the transfer of a force over a distance in the same direction…

what is the definition of power?

the rate at which work is done.

wheel and axle

36 Joules

3.7 m/s^2

Inclined Plane

A simple machine consisting of a large wheel rigidly secured…

If Justin pushes a box 3 meters with 12 Newtons of force, how…

Chanse works for NASA and gets sent on a trip to mercury. He…

I help people get up to doors easily and increase the distanc…

wheel and axle

A simple machine consisting of a large wheel rigidly secured…

36 Joules

If Justin pushes a box 3 meters with 12 Newtons of force, how…

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

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…

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…

Work

Power

Mechanical advantage

Simple Machines

is the transfer of energy to an object by a force that makes…

The rate at which work is done

is the ratio of a machine's output force produced to the inpu…

machines that do work using only one movement

Work

is the transfer of energy to an object by a force that makes…

Power

The rate at which work is done

Work is the product of...

Middle of second class lever

Output force of a machine with Mechani…

How is the work output of a machine re…

Distance and force

Resistance

Much larger than it's input force

Always less

Work is the product of...

Distance and force

Middle of second class lever

Resistance

compound machine

efficiency

inclined plane

input force

A combination of two or more simple machines, A machine made…

A measure of how much of the work put into a machine is chang…

A sloping surface such as a ramp that reduces the amount of f…

The force put into or exertted on a machine.

compound machine

A combination of two or more simple machines, A machine made…

efficiency

A measure of how much of the work put into a machine is chang…

Work

Power

Energy

Mechanical Advantage

When a force moves an object through a distance.

the rate at which work is done upon an object

An ability to cause a change or do work.

The amount by which a machine multiplies the effort force.

Work

When a force moves an object through a distance.

Power

the rate at which work is done upon an object

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…

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

work

power

input force

output force

force applied to an object and the object moves in the same d…

the rate of doing work... work/time

the force exerted on a machine

the force exerted on an object by a machine

work

force applied to an object and the object moves in the same d…

power

the rate of doing work... work/time

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

Joule

Power

Watt

The force exerted on an object multiplied by the distance the…

The Newton meter or unit for work.

The rate at which work is done, or the rate at which energy i…

The unit for power or Newton meter/second

Work

The force exerted on an object multiplied by the distance the…

Joule

The Newton meter or unit for work.

Work

Formula for calculating work

Power

Watt

Activity involving mental or physical effort done in order to…

Force x Distance

The ability to do something or act in a particular way, espec…

The SI unit of power, equivalent to one joule per second, cor…

Work

Activity involving mental or physical effort done in order to…

Formula for calculating work

Force x Distance

Work divided by time

ForceXdistance

Watt

Newton-meter or joule

Formula used to calculate power

Formula used to calculate work

Unit used to measure power

Unit used to measure work

Work divided by time

Formula used to calculate power

ForceXdistance

Formula used to calculate work

scissors

cap

screwdriver

inclined plane

tool with two levers attached together for cutting paper

part of a water bottle with a screw

wheel and axle tool that is often used with screws

type of simple machine that is a flat surface with one end hi…

scissors

tool with two levers attached together for cutting paper

cap

part of a water bottle with a screw

work

machine

input force

output force

the transfer of energy that occurs when a force makes an obje…

a device that makes doing work easier

the force that is applied to the machine

the force applied by the machine

work

the transfer of energy that occurs when a force makes an obje…

machine

a device that makes doing work easier

Work

How is work calculated?

What is equal to one joule?

What is equal to one newton-meter?

the use of force to move an object some distance in the direc…

Work = force * distance

one newton-meter

one joule

Work

the use of force to move an object some distance in the direc…

How is work calculated?

Work = force * distance

Inclined Plane

Wedge

Wheel & Axle

Pulley

Any straight, slanted surface... Ex: ramp

Double inclined plane that moves... Ex: knives

Made of two circular or cylinder directs of different sizes... E…

grooved wheel with a rope (or cable or chain) running through…

Inclined Plane

Any straight, slanted surface... Ex: ramp

Wedge

Double inclined plane that moves... Ex: knives

Define: work

Is the following work? A mother carrie…

Is the following work? A father pushes…

Is the following work? A woman carries…

using force to move an object a distance

no

yes

no

Define: work

using force to move an object a distance

Is the following work? A mother carrie…

no

Mechanial advantage unit

work is done when:

in order for work to be done to condit…

during work, the force applied to an o…

x

Force is applied to an object and an object moves

apply force... object has to move in the direction of that force…

same

Mechanial advantage unit

x

work is done when:

Force is applied to an object and an object moves

Work

Power

Fulcrum

Rigid arm

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

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

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

part of a lever that moves around the fulcrum

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…

Lever

Inclined Plane

Wheel & Axle

Pulley

a rigid bar that rotates around a fixed point called the fulc…

a straight slanted surface that reduces the force required bu…

2 attached circles of different sizes

a grooved wheel that holds a rope; changes the DIRECTION of t…

Lever

a rigid bar that rotates around a fixed point called the fulc…

Inclined Plane

a straight slanted surface that reduces the force required bu…

Work

W=F*d

Force

Newtons

The transfer of energy when a FORCE makes an object move.....…

W (work)=F (force) * (applied over a certain) d (distance)... (f…

A PUSH or a PULL....... In order for work to be done, a force…

How you measure FORCE-----FORCE is measured in ____________

Work

The transfer of energy when a FORCE makes an object move.....…

W=F*d

W (work)=F (force) * (applied over a certain) d (distance)... (f…

Work

Energy

Joules

Power

is done when force is applied through distance.

Has the ability to create forces; stored work.

The units for energy and work.

The rate of doing work (faster work uses more of this).

Work

is done when force is applied through distance.

Energy

Has the ability to create forces; stored work.