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Work

Formula for Work

Unit for Force

Unit for Distance

Applying a force on an object that moves in the same directio…

Work = Force x Distance; W = F x D

Newtons

Meters

Work

Applying a force on an object that moves in the same directio…

Formula for Work

Work = Force x Distance; W = F x D

work

input force

output force

work input

The product of force and distance.

The force exerted on a machine.

The force exerted by a machine.

The work done on a machine as the input force acts through th…

work

The product of force and distance.

input force

The force exerted on a machine.

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

Joule (J)

Power

Watt (W)

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

The unit of work, also known as newton-meter (N×m)

How fast energy moves from one object to another/ How fast wo…

The unit of power, joules per second. 1 J/s= 1 W

Work

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

Joule (J)

The unit of work, also known as newton-meter (N×m)

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)

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

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

mechanical energy

work energy theorem

energy

work

sum of potential and kinetic energy

the work done on an object is equal to its change in energy

the property of an object that allows it to do work

the product of the force applied and the distance over which…

mechanical energy

sum of potential and kinetic energy

work energy theorem

the work done on an object is equal to its change in energy

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…

When does a force do work?

If there is no __________________, the…

Work is the product of ___ and ___.

Explain why a weightlifter holding 200…

when an object acts upon it in the direction the object moves

distance

force and distance

Force is applied to the barbell, but the force does not cause…

When does a force do work?

when an object acts upon it in the direction the object moves

If there is no __________________, the…

distance

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

work

power

simple machine

compound machine

The transfer of energy to an object by the application of a f…

A quantity that measures the rate at which work is done or en…

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

a machine that is made of two or more simple machines, workin…

work

The transfer of energy to an object by the application of a f…

power

A quantity that measures the rate at which work is done or en…

Work

Machine

Power

Work input

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

Something that makes work easier by lowering the size, or cha…

How fast work is done

The force applied to the machine to do the work

Work

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

Machine

Something that makes work easier by lowering the size, or cha…

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

Ideal Mechanical Advantage of a pulley

Ideal Mechanical Advantage of a lever

Ideal Mechanical Advantage of a ramp

Ideal Mechanical Advantage of a screw

number of supporting strands

input lenght from fulcrum over output lenghth from fulcrum

length of incline over height of incline

length of thread over height of screw

Ideal Mechanical Advantage of a pulley

number of supporting strands

Ideal Mechanical Advantage of a lever

input lenght from fulcrum over output lenghth from fulcrum

Compound machine

energy

force

inclined plane

a machine made of more than one simple machine

Is the ability to do work

A push or a pull

A simple machine with a sloped side. It is used to move objec…

Compound machine

a machine made of more than one simple machine

energy

Is the ability to do work