pulleys
What is the pulley
Is a wheel an axle with a rope hanging from it to lift objects
What is the force that resists lift
Resistance Force
What kind of simple machine is a ramp to decrease the work that you have to do.
an inclined plane
what is the mechanical advantage for an inclined plane with a length of one meter and a height of one meter
1
W=FxD
what is work formula
what is a movable pulley
It is a pulley that moves that is hung from a rope
What is a first class lever
It is a lever with the fulcrum in the middle
what kind of simple machine has two sides and a fulcrum
lever
what is the mechanical advantage of a first class lever with the resistance side measuring 10 m and the effort side measuring 50 m.
5
what is the unit of force
newtons
What is a fixed pulley
It is a poem if it is fixed to something
what is a second class lever
It is a lever with the load between the effort and fulcrum
What kind of simple machine is a wheel with a series of teeth
gear
how do you calculate mechanical advantage for an inclined plane
You divide the input force(Hypotenuse) by the output force(height)
What is the unit of energy and amount of work
joules
how do you calculate the mechanical advantage of a pulley
Count the number of pulleys
how do you calculate the mechanical advantage of a lever
ma=fe/fr
What is a simple machine.
it is a combination of materials to make work easier
What is the mechanical advantage of an inclined plane with a height of 8 m and a length of 7 m.
.875
P=W/T
the formula for energy
what is the mechanical advantage of a pulley with 851 pulleys
851
what is a third class lever
a lever with the effort pushing up in the middle.
What is a screw.
It is a cylinder with an inclined plane wrapped around it.
How do you calculate the mechanical advantage of a wheel and axle
You divide the radius of the wheel by the radius of the axle.
The inventer of joules
Who was James Prescott joule