What is Work? And A Simple Machine
How Machines Do Work
How Machines Do Work pt.2 and Simple Machines
Simple Machines
Who's that Pokemon
100
What is Work?
Work is when you exert a force on an object that causes the object to move some distance.
100
What is a machine?
A machine is a device that allows you to do work in a way that is easier.
100
What three factors do a machine do to make work easier?
A machine changes the amount of force you exert, the distance at which you exert your force, and the direction in which you exert the force.
100
What's an inclined plane?
An inclined plane is a flat, sloped surface.
100
Who's that Pokemon?
It's Pikachu!
200
What is the formula for Work?
Work = Force x Distance
200
What is input force?
Input force is the force you exert on the machine.
200
What is a machines mechanical advantage?
A machine's mechanical advantage is the number of times a machine increases a force exerted on it.
200
What is a wedge?
A wedge is a device that is thick at one end and tapers to a thin edge at the other end.
200
Who's that Pokemon?
It's Squirtle!
300
What is a Joule?
One joule is the amount of work you do when you exert a force of 1 newton to move an object a distance of 1 meter.
300
What is output force?
Output force is the force the machine exerts on an object.
300
What is a wheel and axle?
A wheel and axle is a screwdriver that makes use of a simple machine.
300
What's a screw?
A screw can be thought of as an inclined plane wrapped around a cylinder.
300
Who's that Pokemon?
It's Charmander!
400
What is Power?
Power is the rate at which work is done.
400
What is input work?
Input work is the input force times the input distance.
400
What is efficiency?
The efficiency of a machine compares the output work to the input work.
400
What's a lever?
A lever is a rigid bar that is free to pivot, or rotate, on a fixed point.
400
Who's that Pokemon?
It's Bulbasaur!
500
What is a compound machine?
A compound machine is a machine that utilizes two or more simple machines.
500
What is output work?
Output work is the output force times the output distance.
500
What is a pulley?
A pulley is a simple machine made of grooved wheel with a rope or cable wrapped around it.
500
What's a fulcrum?
A fulcrum is the fixed point that a lever pivots around.
500
Who's that Pokemon?
It's Snorlax!