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# Simple machines-Gil

### Simple Machines- Gilbert

Force is measured (labled) in ____________ Newtons
Work is measured (lableed) in ___________ Joules
Power is measured in ____________ Watts
Formula for finding force Mass X gravity
Formula for finding work Force X distance
Forumula for finding Power Work divided by time
Formula for finding mechanical advantage output force divided by input force
Work When a froce causes an object to move inthe direction of the force
Power How fast energy is used
machines makes life easier by spreading the force over a longer distance. Machines do not change how much work is done.
Name the 6 simple machines (SAWLIP) Screw, Axle and wheel, Wedge, lever, Inclined Plane (ramp), Pulley
screw an inclined plane that is wrtapped in a spiral
work you do on a machine is called ______ work input
inclined plane a simple machine that is a straight, lanted surface
Mechanical advantage compares the input force with the output force
All machines are constructed from 6 ___________________ simple machines
block and tackle when 2 kinds of pulleys are used together
lever A simple machine with a bar that pivots at a fixed point
simple machine A device that helps make work easier by chnaging the size or direction of force
wedge A double inclined plane that moves
Work output The work done by a machine
wheel and axle A simple machine that consists of 2 circular objects of different sizes
pulley A simple machine that has agrooved wheel that holds a rope or a cable
compound Machines that are made of two or more simple machines
fulcrum The fixed point at whcih a lever pivots
Name 2 kinds of pulleys FixedMoveable
mechanical efficiency the comparison of a machines work output with the work input
Created by: finnegac