# Study sets matching "machines chapter 12"

work

joule

power

machine

force exerted on an object that causes it to move

a unit of work equal to one newton-meter

the rate at which one form of energy is transformed into anoth…

a device that changes the amount of force exerted, the distanc…

work

force exerted on an object that causes it to move

joule

a unit of work equal to one newton-meter

Work Definition

Calculation of work

Joule

Power

When an object moves in the same direction as the force applie…

Force x Distance

SI unit of work (1 Newton of force moving an object 1 meter)

Amount of work done to something in a period of time

Work Definition

When an object moves in the same direction as the force applie…

Calculation of work

Force x Distance

work

power

machine

mechanical advantage

when an object moves in the direction in which you exert a for…

the rate at which work is done. (work/time)

makes work easier by changing one of 3 factors; force, distanc…

is the number of times a machine multiplies the force exerted…

work

when an object moves in the direction in which you exert a for…

power

the rate at which work is done. (work/time)

work

joule

machine

input force

the product of force and distance when force is used to move a…

unit of work, the SI unit of energy

a device that changes the amount of force exerted or the direc…

the force exerted on a machine

work

the product of force and distance when force is used to move a…

joule

unit of work, the SI unit of energy

Work

joule

Power

Machine

Force exerted on an object that causes it to move

A unit of work equal to one newton-meter

The rate at which one form of energy is transformed into anoth…

A device that changes the amount of force exerted, the distanc…

Work

Force exerted on an object that causes it to move

joule

A unit of work equal to one newton-meter

work

joule

power

machine

force exerted on an object that causes it to move; force times…

a unit of work equal to one newton-meter

the rate at which one form of energy is transformed into anoth…

a device that allows you to do work in a way that is easier

work

force exerted on an object that causes it to move; force times…

joule

a unit of work equal to one newton-meter

work (definition)

power (equation)

machine (definition)

mechanical advantage (definition)

object must move in the same direction of force for this to oc…

work done ➗ unit of time

changes force or direction force is applied

the number of times a machine increase a force exerted on it

work (definition)

object must move in the same direction of force for this to oc…

power (equation)

work done ➗ unit of time

Work

Joule

Power

Machine

Force exerted on an object that causes it to move

A unit of work equal to one newton-meter

The rate at which one form of energy is transformed into anoth…

A device that changes the amount of force exerted, the distanc…

Work

Force exerted on an object that causes it to move

Joule

A unit of work equal to one newton-meter

Power

Joule

Work

Efficiency

Rate at which work is done

Amount of work you do when you exert a force of 1 Newton to mo…

Force exerted on an object that causes it to move

More work with less effort makes a machine more efficient (wo/…

Power

Rate at which work is done

Joule

Amount of work you do when you exert a force of 1 Newton to mo…

Joules

Joints

A bicycle

Levers

Work is measured in:... a. Newton's... b. Pounds... c. Joules... d. Meters

Which body part acts as fulcrums of levers?... a. Tendons... b. Join…

An example of a compound machine is a:... a. A can opener... b. Shov…

Most of the machines in your body consist of bones and muscles…

Joules

Work is measured in:... a. Newton's... b. Pounds... c. Joules... d. Meters

Joints

Which body part acts as fulcrums of levers?... a. Tendons... b. Join…

simple machines

watt

joule

power

has few or no moving parts.... Simple machines make work easier

the SI unit of power, equivalent to one joule per second, corr…

the SI unit of work or energy, equal to the work done by a for…

the capacity or ability to direct or influence the behavior of…

simple machines

has few or no moving parts.... Simple machines make work easier

watt

the SI unit of power, equivalent to one joule per second, corr…

work

joule

power

watt

activity involving mental or physical effort done in order to…

the SI unit of work or energy, equal to the work done by a for…

the ability to do something or act in a particular way, especi…

the SI unit of power, equivalent to one joule per second, corr…

work

activity involving mental or physical effort done in order to…

joule

the SI unit of work or energy, equal to the work done by a for…

work

joule

power

watt

A hobby that everyone should have and is involved in different…

an SI unit of work.

the ability to do something or act in a particular way, especi…

it is equivalent to one joule per second.

work

A hobby that everyone should have and is involved in different…

joule

an SI unit of work.

Work

Joule

Machine

Input Force

The product of force and distance when a force is used to move…

A unit of work equal to one Newton meter

A device that changes the amount of force exerted or the direc…

The force exerted on a machine

Work

The product of force and distance when a force is used to move…

Joule

A unit of work equal to one Newton meter

compound machine

machine

wedge

inclined plane

A combination of 2 or more simple machines.

a device that allows you to do... work in a way that is easier

a device that is thick at one end and tapers to a thin edge at…

a flat, sloped surface

compound machine

A combination of 2 or more simple machines.

machine

a device that allows you to do... work in a way that is easier

Work

Power

Machine

Input force

When a force exerted on an object causes the object to move so…

The rate at which work is done

A device that changes a force and makes work easier

The force exerted on a machine

Work

When a force exerted on an object causes the object to move so…

Power

The rate at which work is done

Work

Power

Input force

Machine

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

Is the rate at which work is done

The force you exert on a machine

Is a device that allows you to do work in a way that is easier

Work

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

Power

Is the rate at which work is done

Power

Joule

Work

Efficiency

Rate at which work is done

Amount of work you do when you exert a force of 1 Newton to mo…

Force exerted on an object that causes it to move

More work with less effort makes a machine more efficient (wo/…

Power

Rate at which work is done

Joule

Amount of work you do when you exert a force of 1 Newton to mo…

Def. of work

Formula for work

Joule (J)

Def. of machine

force exerted on an object to cause movement, in the direction…

Force x Distance

a unit of work equal to one neuton-meter

anything that makes work easier OR more efficient

Def. of work

force exerted on an object to cause movement, in the direction…

Formula for work

Force x Distance

Work

work =

machine

input force

the product of force and distance when a force is used to move…

force * distance

a device that changes the amount of force exerted or the direc…

the force exerted on the machine

Work

the product of force and distance when a force is used to move…

work =

force * distance

Work

Joule

Power

Input force

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

(J) The amount of work you do when you exert a force of 1 N to…

The rate at which work is done

The force you exert on the machine

Work

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

Joule

(J) The amount of work you do when you exert a force of 1 N to…

Work

Joule

Power

Machine

Force exerted on an object that causes it to move

A unit of work equal to one newton-meter

The rate at which one form of energy is transformed into anoth…

A device that changes the amount of force exerted, the distanc…

Work

Force exerted on an object that causes it to move

Joule

A unit of work equal to one newton-meter

Work

Joule

Machine

Input force

The product of force and distance when a force is used to move…

A unit of work equal to one Newton meter

A device that change the amount of force exerted or the direct…

The force exerted on a machine

Work

The product of force and distance when a force is used to move…

Joule

A unit of work equal to one Newton meter