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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

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

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

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…

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…

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

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

machine

scissors

compound machine

F x d

a device that makes work easier by changing the size or direc…

example of a compound machine

a machine made of two simple machines

equation used to calculate work

machine

a device that makes work easier by changing the size or direc…

scissors

example of a compound machine

effort force

resistance force

work

power

force you apply to the machine

force (weight) of object you are trying to move

force acting through a distance in the same direction as the…

rate at which work is done

effort force

force you apply to the machine

resistance force

force (weight) of object you are trying to move

a simple machine consisting of a groov…

a number that tells how many times a m…

a simple machine that is an inclined p…

a fixed point found on levers

pulley

mechanical advantage

screw

fulcrum

a simple machine consisting of a groov…

pulley

a number that tells how many times a m…

mechanical advantage

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

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…

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…

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…

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

work

joule

watt

three factors that show that machines…

a force exerted on an object that causes it to move W = F x D

what unit is used for work

what unit is used for power

what does the amount of force you exert, the distance over wh…

work

a force exerted on an object that causes it to move W = F x D

joule

what unit is used for work

8 forms of energy

5 jobs of simple machines

multiply force

multiply speed

heat, light, nuclear, sound, mechanical, chemical, electrical…

multiply speed, multiply force, transform energy, transfer en…

car jack, crane, pulley, lever

bike gears, catapult

8 forms of energy

heat, light, nuclear, sound, mechanical, chemical, electrical…

5 jobs of simple machines

multiply speed, multiply force, transform energy, transfer en…

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

power

mechanical advantage

simple machine

The event when an object moves in the direction of the force…

The rate at which work is done.

A quantity that expresses how much a machine multiplies force…

one of the six basic types of machines, which are the basis f…

work

The event when an object moves in the direction of the force…

power

The rate at which work is done.

Work

Power

Watt

Horsepower

the force applied through a distance

amount of work done in a certain amount of time

A measure of power equal to one joule of work per second.

a common unit of power, equal to about 746 watts

Work

the force applied through a distance

Power

amount of work done in a certain amount of time

work

power

machine

mechanical advantage

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

The rate at which work is done.

Makes work easier to do, regardless of whether it is simple o…

The ratio of a machine's output force produced to the input f…

work

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

power

The rate at which work is done.

work

power

mechanical advantage

simple machine

Force exerted on an object that causes it to move

the rate at which work is done, work/time

the ratio of output force to input force, ratio of the output…

device that does work with only one movement

work

Force exerted on an object that causes it to move

power

the rate at which work is done, work/time

Simple Machines

Lever

Wheel and Axle

Pulley

A machine is a device for multiplying forces or changing the…

Bar that rotates around a fixed point to lift or move loads…

A wheel with a rod through its center used to lift or move lo…

Rope pulled through grooved wheels to lift or move loads... exam…

Simple Machines

A machine is a device for multiplying forces or changing the…

Lever

Bar that rotates around a fixed point to lift or move loads…

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.

work

compound machine

drill

joule

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

a machine made up of two or more simple machines

an example of a screw

unit to express work

work

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

compound machine

a machine made up of two or more simple machines