#### Study sets matching "machines power simple chapter 14"

#### Study sets matching "machines power simple chapter 14"

work

joule

For a force to do work on an object...

Formula for work

Exerting a force over a distance.

SI unit of work

some of the force must act in the same direction as the objec…

Work= Force × Distance

work

Exerting a force over a distance.

joule

SI unit of work

Work

Power

Force

Input Force

When a force exerted on an object causes that object to move…

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

A push or pull

Force exerted ONTO a machine

Work

When a force exerted on an object causes that object to move…

Power

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

work

output force

input force

mechanical advantage

application of a force to an object to move it a certain dist…

force exerted by a machine

force exerted on a machine

number of times the input force is multiplied by a machine, e…

work

application of a force to an object to move it a certain dist…

output force

force exerted by a machine

Force

Newton

Work

The amount of work depends on 2 things:

a push or pull upon an object

SI unit of force and weight

the product of the force applied to an object and the distanc…

- The amount of force exerted on the object... - The distance th…

Force

a push or pull upon an object

Newton

SI unit of force and weight

Simple Machine

Compound Machine

Pulley

Input Force

A machine that does work with only one movement

A combination of two or more simple machines that operate tog…

A grooved wheel with a rope, chain, or cable running along th…

The force exerted on a machine

Simple Machine

A machine that does work with only one movement

Compound Machine

A combination of two or more simple machines that operate tog…

joule

work

simple machines

lever

A unit used to measure energy and work.

A result of a force moving an object a certain distance.

a machine with few moving parts, making it easier to do work…

A rigid bar pivoted about a fulcrum, fixed point

joule

A unit used to measure energy and work.

work

A result of a force moving an object a certain distance.

Work

Power

Input force

Output force

Force exerted on an object that causes it to move

(physics) the rate of doing work

the force that is applied to the machine

The force exerted on an object by a machine.

Work

Force exerted on an object that causes it to move

Power

(physics) the rate of doing work

Lever

Fulcrum

Input arm

Output arm

Rigid bar that is free to move around a fixed point

The fixed point the bar rotates around

Distance between the input force and the fulcrum

Distance between the output force and the fulcrum

Lever

Rigid bar that is free to move around a fixed point

Fulcrum

The fixed point the bar rotates around

Machine

Simple machine

Work

Friction

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

Has only one movement, makes work easier

Exertion of a force on an object that produces motion in the…

Causes the output work of a machine to be less than the input…

Machine

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

Simple machine

Has only one movement, makes work easier

force

friction

compound

compound machine

a push or pull

force that opposes motion between two touching surfaces

made of separate pieces or parts

machine made up of a combination of two or more simple machines

force

a push or pull

friction

force that opposes motion between two touching surfaces

work

Joule

power

Watt

when a force moves and object in the direction of the force

SI unit for work that represents a N * m

the rate of doing work

SI unit for power that represents a J/s

work

when a force moves and object in the direction of the force

Joule

SI unit for work that represents a N * 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…

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…

Work

power

Joule

watt

is the product of force and distance

Rate of doing work, doing work at a faster rate requires more…

is the SI unit for work (J)

SI unit for power which is equall to one Joule per second (W)

Work

is the product of force and distance

power

Rate of doing work, doing work at a faster rate requires more…

Work

power

Joule

watt

is the product of force and distance

Rate of doing work, doing work at a faster rate requires more…

is the SI unit for work (J)

SI unit for power which is equall to one Joule per second (W)

Work

is the product of force and distance

power

Rate of doing work, doing work at a faster rate requires more…

Work

power

Joule

watt

is the product of force and distance

Rate of doing work, doing work at a faster rate requires more…

is the SI unit for work (J)

SI unit for power which is equall to one Joule per second (W)

Work

is the product of force and distance

power

Rate of doing work, doing work at a faster rate requires more…

work

power

horsepower

joule

When you apply a force to an object and the object moves in t…

The rate at which work is done.

A common unit of work that is equal to ~746 watts.

The SI unit of work.

work

When you apply a force to an object and the object moves in t…

power

The rate at which work is done.

Work

Power

Input force

Output force

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

Rate at which work is done , equal to the work done divided b…

Force exerted on a machines

Force exerted by a machine

Work

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

Power

Rate at which work is done , equal to the work done divided b…

machine

work

power

joule

a device that changes a force

A result of a force moving an object a certain distance.

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

The SI unit of work

machine

a device that changes a force

work

A result of a force moving an object a certain distance.

work

output force

input force

mechanical advantage

operate or function, especially properly or effectively

the force the machine exerts on a object

the force you put on the machine

the ratio of the force produced by a machine to the force app…

work

operate or function, especially properly or effectively

output force

the force the machine exerts on a object

Work

Power

Machine

Effort Force

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

the amount of work done in a certain amount of time, produced…

a device that makes work easier by 1) increasing the amount o…

the force you applied to the machine (input)

Work

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

Power

the amount of work done in a certain amount of time, produced…

work

Is a weightlifter doing work when he r…

Is he doing work holding the barbell a…

why does it take more work to walk 10f…

force X distance

yes, because he is generating an upward and moving a distance

no, because although he is excreting force

a greater force is required b/c gravity is trying to pull you…

work

force X distance

Is a weightlifter doing work when he r…

yes, because he is generating an upward and moving a distance

work

power

horsepower

joule

the product of force and distance; when a force acts on an ob…

the rate of doing work; the amount of work done in a given time

equal to about 746 Watts; created by Scottish scientist, Jame…

a unit of work equal to one newton-meter

work

the product of force and distance; when a force acts on an ob…

power

the rate of doing work; the amount of work done in a given time

Work

Power

Input force

Output force

Is done when a force causes an object to move in the same dir…

Is how quickly work is done P= w divided by t

The force that you apply on a machine

The force that the machine applies

Work

Is done when a force causes an object to move in the same dir…

Power

Is how quickly work is done P= w divided by t

work

power

input force

output force

done when a force exerted on an object causes that object to…

rate at which work is done

force exerted on a machine

force exerted by a machine

work

done when a force exerted on an object causes that object to…

power

rate at which work is done

What is work?

Are you technically doing work if you…

What does work depend on?

How does the force affect the work if…

Product of force through a distance

No, because the distance is zero

Direction of force and distance

It does no work

What is work?

Product of force through a distance

Are you technically doing work if you…

No, because the distance is zero

work

power

input force

output force

done when a force exerted on an object causes that object to…

rate at which work is done

force exerted on a machine

force exerted by a machine

work

done when a force exerted on an object causes that object to…

power

rate at which work is done

work

power

input force

output force

done when a force exerted on an object causes that object to…

rate at which work is done

force exerted on a machine

force exerted by a machine

work

done when a force exerted on an object causes that object to…

power

rate at which work is done

work

power

horsepower

joule

the product of force and distance; when a force acts on an ob…

the rate of doing work; the amount of work done in a given time

equal to about 746 Watts; created by Scottish scientist, Jame…

a unit of work equal to one newton-meter

work

the product of force and distance; when a force acts on an ob…

power

the rate of doing work; the amount of work done in a given time

In science, what is work?

For a force to do work on an object, _…

If there is no movement, _____________…

Any part of force that does not act in…

The product of force and distance.

some of the force must act in the same direction as the objec…

no work is done

does no work on an object

In science, what is work?

The product of force and distance.

For a force to do work on an object, _…

some of the force must act in the same direction as the objec…

Machine

Compound machine

Archimedes

Geometric plane

Any device that helps you to do work

a combination of different simple machines working together

A mathmetician who lived around 200 BC and figured out how to…

a flat surface

Machine

Any device that helps you to do work

Compound machine

a combination of different simple machines working together

What is work?

Are you technically doing work if you…

What does work depend on?

How does the force affect the work if…

The product of force through a distance

No, because the distance is zero

Direction of force and distance

It does no work

What is work?

The product of force through a distance

Are you technically doing work if you…

No, because the distance is zero

Work

Power

Input force

Output force

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

Rate at which work is done

Force exerted on a machine

Force exerted by a machine

Work

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

Power

Rate at which work is done