# Study sets matching "simple machines 4"

work

power

simple machine

lever

is using a force over a distance

time it takes to do work

a tool that helps us do work

bar used for raising and moving weights centered on a fulcrum

work

is using a force over a distance

power

time it takes to do work

Lever

Fulcrum

Input arm

Output arm

A rigid bar that is free to move around and a fixed point.

The fixed point a lever rotates around.

The distance between the fulcrum in a lever and the input forc…

The distance between the fulcrum in a lever and the output for…

Lever

A rigid bar that is free to move around and a fixed point.

Fulcrum

The fixed point a lever rotates around.

incline plane

IMA of inclined plane

example of incline plane

wedge

a slanted surface along with force moving object at different…

distance/change of height

ramp

V shape, two incline planes slopped toward each other

incline plane

a slanted surface along with force moving object at different…

IMA of inclined plane

distance/change of height

Lever

Fulcrum

Input Arm

Output Arm

A rigid bar that is free to move around a fixed point.

The fixed point a lever rotates around.

The distance between the fulcrum in a lever and the input forc…

The distance between the fulcrum in a lever and the output for…

Lever

A rigid bar that is free to move around a fixed point.

Fulcrum

The fixed point a lever rotates around.

___ (more/less) effort is needed to mov…

on an inclined plane, effort distance i…

on an inclined plane, effort force is _…

dE on an inclined plane

more

larger

smaller

(effort distance) length of incline

___ (more/less) effort is needed to mov…

more

on an inclined plane, effort distance i…

larger

Machine

Work Output

Work Input

Compound Machine

Makes work easier by changing the size or direction of force

Work done by the machine

Work done on the machine

2 or more simple machines... Scissors

Machine

Makes work easier by changing the size or direction of force

Work Output

Work done by the machine

6 simple machines

energy

work

force

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

the ability to do work

force x distance

a push or pull

6 simple machines

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

energy

the ability to do work

lever

fulcrum

wheel and axle

incline plane

a rigid bar that is free to move around a fulcrum

the fixed point of a pivot

two disks or cylinders each with a different radius

a slanted surface along which a force moves an object to a dif…

lever

a rigid bar that is free to move around a fulcrum

fulcrum

the fixed point of a pivot

Work

Joule

Power

Watt

the transfer of energy to an object by using a force that caus…

the unit used to express energy; equivalent to the amount of w…

the rate at which work is done or energy is transformed

the unit used to express power; equivalent to a joule per seco…

Work

the transfer of energy to an object by using a force that caus…

Joule

the unit used to express energy; equivalent to the amount of w…

Can opener

Wheelbarrow

Crowbar

Submarine

Compound machine that is comprised of a wheel and axle and a l…

A second class lever used to move heavy loads without carrying…

First class lever used for prying open boxes

Compound machine that uses ballast tanks to rise and sink

Can opener

Compound machine that is comprised of a wheel and axle and a l…

Wheelbarrow

A second class lever used to move heavy loads without carrying…

Work

Joule

Power

Watt

The transfer of energy to an object by using a force that caus…

SI unit of energy

The rate at which work is done or energy is tranformed

SI unit of power

Work

The transfer of energy to an object by using a force that caus…

Joule

SI unit of energy

Lever

Inclined plane

Screw

Wedge

A bar that turns against an unmoving point.

A flat surface with one end higher then the other

A bar that has an inclined plane wrapped around it

A double inclined plane that can split an object

Lever

A bar that turns against an unmoving point.

Inclined plane

A flat surface with one end higher then the other

inclined plane

wedge

screw

lever

a flat, slanted surface that works like a ramp; PURPOSE: makes…

a pair of inclined planes attached back-to-back; PURPOSE: forc…

a spiral wrapped around a center post; PURPOSE: lifts objects…

a bar that pivots or turns on a fixed point called the fulcrum…

inclined plane

a flat, slanted surface that works like a ramp; PURPOSE: makes…

wedge

a pair of inclined planes attached back-to-back; PURPOSE: forc…

Simple Machine

6 Simple Machines

friction

force

Tools that make work easier.

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

Force created when two objects rub against each other.

A push or pull on an object.

Simple Machine

Tools that make work easier.

6 Simple Machines

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

Lever

Examples of levers

screw

Examples of screws

made up of a bar that turns on a fixed point or a fulcrum

light switch, seesaw, hammer, wheel barrow

an inclined plane wound around a cylinder

light bulb, drill, toothpaste cap and tube

Lever

made up of a bar that turns on a fixed point or a fulcrum

Examples of levers

light switch, seesaw, hammer, wheel barrow

Force

work

simple machine

inclined plane

A push or pull

is force and motion, work only gets done when a force is used…

anything that makes work easier... MACHINE HAVING FEW OR NO MOVIN…

a slanted surface which is sometimes called a ramp

Force

A push or pull

work

is force and motion, work only gets done when a force is used…

Lever

Fulcrum

Input arm

Output arm

a rigid bar resting on a pivot, used to help move a heavy or f…

the point on which a lever rests or is supported and on which…

the input arm is 3 meters long and the output arm is 0.75 mete…

An output arm is the end of a lever that moves the load up whe…

Lever

a rigid bar resting on a pivot, used to help move a heavy or f…

Fulcrum

the point on which a lever rests or is supported and on which…

lever

fulcrum

input arm

output arm

A rigid bar that is free to move around a fixed point.

The fixed point a lever rotates around

The distance between the fulcrum in a lever and the input forc…

The distance between the fulcrum in a lever and the output for…

lever

A rigid bar that is free to move around a fixed point.

fulcrum

The fixed point a lever rotates around

Lever

Fulcrum

Input arm

Output arm

A rigid bar that is free to move around and a fixed point.

The fixed point a lever rotates around.

The distance between the fulcrum in a lever and the input forc…

The distance between the fulcrum in a lever and the output for…

Lever

A rigid bar that is free to move around and a fixed point.

Fulcrum

The fixed point a lever rotates around.

A force acting on an object does no wor…

If you exert a force of 10.0 N to lift…

If you exert a force of 500 N to walk 4…

How do you increase power?

The force is not in the direction of the object's motion

7.5 J

500W

You can increase the amount of work you do in a given amount o…

A force acting on an object does no wor…

The force is not in the direction of the object's motion

If you exert a force of 10.0 N to lift…

7.5 J

Lever

Fulcrum

Input Arm

Output Arm

a rigid bar that is free to move around a fixed point.

The fixed point the bar rotates around

the distance between the input force and the fulcrum

the distance between the output force and the fulcrum.

Lever

a rigid bar that is free to move around a fixed point.

Fulcrum

The fixed point the bar rotates around