Im a goofy goober
What is a lever?
Made up of a bar that pivots about a fixed point
What is an inclined plane?
Flat, sloped surface
What is a screw?
An inclined plane wrapped around a cylinder
What is a wedge?
Sloped surface that moves
What is a simple machine?
A machine that does work using only movement
What does mechanical mean?
Ratio of output force to input force
What is efficiency?
Ratio of output work to input work
What is work?
Transfer of energy to an object by a force that makes an object move in the direction of the force
What does tranfer mean?
What does power mean?
Rate at which work is done
how is work done?
by moving an object.
what is power and how do you get more?
the rate at which work is done.
the fatser you move the more power you have.
movement is...
the transfer of energy.
complex machines use this.
what is energy
how do machines work?
by directing the force somewhere else.
movement is the transfer of...
what is energy
how many simple machines are there
what is six
A point in which a lever pivots
fulcrum
What is a pulley?
A simple machine that is a grooved wheel with a rope or a cable wrapped around it
The ideal mechanic of a pulley is equal to the number of sections of rope pulling up on the subject
A movable pulley
What is a gear?
A gear is a wheel and a xle with teeth around the wheel
What are examples of levers in the human body?
The neck, the foot, and the arm
A machine can make work easier in three way?
The size of a force, the distance of force, the direction of force.