# Study sets matching "simple machines science work"

Study sets

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mechanical work (W)

power (P)

simple machine

mechanical advantage (MA)

the equivalent of the amount of energy transferred to an objec…

the rate of doing work, measured in watts (w)

a basic mechanical device that either reduces effort or increa…

a measure of the reduction in effort to do a certain amount of…

mechanical work (W)

the equivalent of the amount of energy transferred to an objec…

power (P)

the rate of doing work, measured in watts (w)

Machine

Simple Machine

6 examples of a simple machine

Compound machine

device that makes doing work easier; reducing amount of effort…

machine that does work with only 1 movement

inclined planes, pulley, lever, wheel and axle, wedge, screw

machine that is a combination of 2 or more simple machines.

Machine

device that makes doing work easier; reducing amount of effort…

Simple Machine

machine that does work with only 1 movement

Work

Work only happens

Work formula

Joules

means using force to move an object

when a force moves the object some distance

work (J) = force (N) x distance (m)

units of electrical energy

Work

means using force to move an object

Work only happens

when a force moves the object some distance

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Simple Machine do what

List 5 Simple Machines

Wedge

mechanical advantage(MA) of an Inclined…

Make work easier

Pulley... Lever... Inclined plane... Wedge... Screw

An inclined plane that moves. The Downward force changes into…

MA = ramp length/ ramp height

Simple Machine do what

Make work easier

List 5 Simple Machines

Pulley... Lever... Inclined plane... Wedge... Screw

mechanical advantage

fulcrum

load

simple machines

The number of times a machine multiplies force.

the point where a lever arm "pivots"

The weight or resistance that is moved using a simple machine.

lever, pulley, wheel and axle, inclined plane, wedge, and screw

mechanical advantage

The number of times a machine multiplies force.

fulcrum

the point where a lever arm "pivots"

work

joule

mechanical advantage Ideal

mechanical advantage actual

force exerted on an object which causes it to move

a unit of work equal to one newton meter

the number of times force is exerted on a machine is multiplie…

the number of times force is exerted on a machine is multiplie…

work

force exerted on an object which causes it to move

joule

a unit of work equal to one newton meter

Energy

Work

The following conditions must be met fo…

When work is done to an object and the…

Property that enables something to do work.

Occurs when a force is used to move an object.

Apply a force to an object over a distance ... The object moves o…

The work is transformed into kinetic energy.

Energy

Property that enables something to do work.

Work

Occurs when a force is used to move an object.

work

examples of work

the amount of work you do depends on

work is not done when

is done when a force moves an object

rake leaves, pedal a bike, take out garbage

how much force you use and how far you move an object

a position of an object does not moved

work

is done when a force moves an object

examples of work

rake leaves, pedal a bike, take out garbage

Inclined Plane (Ramp)

Wedge

Screw

Lever

Angled platform that helps you move a heavy object up some ver…

Two inclined planes placed back to back - thicker on one end a…

An inclined plane wrapped around a cylinder - used to fasten o…

A rigid bar that pivots around a fixed point - fixed point = f…

Inclined Plane (Ramp)

Angled platform that helps you move a heavy object up some ver…

Wedge

Two inclined planes placed back to back - thicker on one end a…

What is a simple machine?

What are three ways that simple machine…

What is a compound machine?

What machine is a bar that pivots on a…

Device which makes work easier by multiplying force

Changes direction... Multiplies force... Multiplies direction

Two or more simple machines

Lever

What is a simple machine?

Device which makes work easier by multiplying force

What are three ways that simple machine…

Changes direction... Multiplies force... Multiplies direction

Work

Force

Force times distance

Newtons

Done when a force moves an object and causes the objects to mo…

The amount of work used depends on both the amount of —

Amount of work done on an object can be determined by multiply…

Force is measured in...

Work

Done when a force moves an object and causes the objects to mo…

Force

The amount of work used depends on both the amount of —

An object has to be moving and an examp…

W= force x distance

P= energy/ time

P=work/time

Explain what conditions have to be satisfied for work to be do…

What is the formula for work when applied force and distance o…

What is the the formula for power when the energy used and tim…

What is the formula for power when the work done and time requ…

An object has to be moving and an examp…

Explain what conditions have to be satisfied for work to be do…

W= force x distance

What is the formula for work when applied force and distance o…

simple machine

mechanical advantage

lever

fulcrum

a device with few, if any, moving parts that makes it easier t…

the number of times a simple machine multiplies an effort force

a simple machine consisting of a bar and a pivot point

the pivot point in a lever

simple machine

a device with few, if any, moving parts that makes it easier t…

mechanical advantage

the number of times a simple machine multiplies an effort force

Power can be calculated using the formu…

The unit of power is the _______.

You and your friend each lower a 3 kg b…

Doing work on an object increases the o…

Power=work/time... P=w/t

watt

a. w=p x t = 58.8J... b. me... c. me

kinetic

Power can be calculated using the formu…

Power=work/time... P=w/t

The unit of power is the _______.

watt

Work

Power

Mechanical Advantage

Mechanical Efficiency

Force x Distance. When a force is applied to an object causing…

Work / Time. How fast work is done (unit of measurement is the…

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 causing…

Power

Work / Time. How fast work is done (unit of measurement is the…

Work

Power

mechanical advantage

efficiency

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

the rate at which work is done

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

the ratio of the output work to the input work in a machine

Work

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

Power

the rate at which work is done

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Work

Power

Mechanical Advantage

Mechanical Efficiency

Force x Distance. When a force is applied to an object causing…

Work / Time. How fast work is done (unit of measurement is the…

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 causing…

Power

Work / Time. How fast work is done (unit of measurement is the…

An object has to be moving and an examp…

W= force x distance

P= energy/ time

P=work/time

Explain what conditions have to be satisfied for work to be do…

What is the formula for work when applied force and distance o…

What is the the formula for power when the energy used and tim…

What is the formula for power when the work done and time requ…

An object has to be moving and an examp…

Explain what conditions have to be satisfied for work to be do…

W= force x distance

What is the formula for work when applied force and distance o…

Energy Transformation

Potential Energy

Kinetic Energy

Law of conservation of energy

A change from one form of energy to another

Energy stored due to an object's position or arrangement

Energy of motion

States that energy cannot be created or destroyed but can be c…

Energy Transformation

A change from one form of energy to another

Potential Energy

Energy stored due to an object's position or arrangement