#### Study sets matching "simple machines science work"

#### Study sets matching "simple machines science work"

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.

Power

Work

Lever

Inclined Plane

Amount energy transferred in a certain amount of time (how qui…

Object move in the same direction that the force is applied.... F…

A board or bar that rests on a turning point.Fulcrum the turni…

Flat surface that is higher on one end. You can ... use this mach…

Power

Amount energy transferred in a certain amount of time (how qui…

Work

Object move in the same direction that the force is applied.... F…

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)

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

Equation for power

Equation for work

If the work is a vertical distance

If its a kilowatt

P=w/t

W=df

Multiply it by 9.8

Move the decimal 3 places to the left

Equation for power

P=w/t

Equation for work

W=df

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

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

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

wheel and axle

mechanical advantage

example of screw

What levers in your body consist of

simple machine that's made of two circular objects fastened to…

the number of times the machine multiplies the input force

jar, faucet

bones and muscles

wheel and axle

simple machine that's made of two circular objects fastened to…

mechanical advantage

the number of times the machine multiplies the input force

work

work=

joule

SI unit of work

when you exert a force on a object and make it move some dista…

force times distance

the amount of work you do when you exert a force of a newton t…

newton times meter

work

when you exert a force on a object and make it move some dista…

work=

force times distance

Fulcrum

Inclined plane

Lever

Mechanical advantage

the point about which a lever pivots

a simple machine that consists of a flat, sloped surface

a simple machine that consists of a bar that pivots, or rotate…

the ratio of machine's output force produced to... the input forc…

Fulcrum

the point about which a lever pivots

Inclined plane

a simple machine that consists of a flat, sloped surface

Compound machine

efficiency

Inclined plane

Lever

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

Equals the out put word divided by the input work, expressed a…

Simple machine thatis a flat surface, sloped surface, or ramp

Simple machine consisting of a rigid rod or plank that pivots…

Compound machine

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

efficiency

Equals the out put word divided by the input work, expressed a…

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

Effort

Effort arm

Force

Fulcrum

The action of applying a force

The part of a simple machine that supports the effort (where t…

The application of a constant effort, such as a push or pull.…

The component of a lever which supports the beam and upon whic…

Effort

The action of applying a force

Effort arm

The part of a simple machine that supports the effort (where t…

Efficiency

Fulcrum

Inclined Plane

Lever

the ratio of output work to input work

the point about which a lever pivots

a simple machine that consists of a ramp, or a flat, sloped su…

a simple machine that consists of a bar that pivots, or rotate…

Efficiency

the ratio of output work to input work

Fulcrum

the point about which a lever pivots

force

Rube-Goldberg Machine

What are the 6 simple machines?

wheel and axle

push or pull on an object

a comically involved, complicated invention, laboriously contr…

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

a simple machine that consists of 2 circular objects of differ…

force

push or pull on an object

Rube-Goldberg Machine

a comically involved, complicated invention, laboriously contr…

work

motion

same

w=fd

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

work involves _____ not just effort

when a force is applied at an angle the only work that counts…

work formula

work

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

motion

work involves _____ not just effort

what two things must occur for effort t…

How do the three classes of levers diff…

what two simple machines are in the egg…

what two simple machines are in scissor…

1. object must move... 2. motion must be in the applied fored

1. fulcrum is in between output/input force... 2. fulcrum is at t…

1. wheel and axel... 2. wedge

1. wedge... 2. 1st class lever

what two things must occur for effort t…

1. object must move... 2. motion must be in the applied fored

How do the three classes of levers diff…

1. fulcrum is in between output/input force... 2. fulcrum is at t…