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force work power and pressure - Coggle Diagram
force work power and pressure
force
Isaac newton
force can cause a stationery object to move
it can cause a moving object to move more quickly or slowly or change the direction
unit = newton (N)
friction opposes motion
weight and mass
weight = the force pulling an object towards the center of the earth measured in newtons
weight has direction
weight can change
mass is the amount of matter in an object
measured in grams or kilograms
do not have direction
do not chainge
conversion
weight (N) = mass (KG) * 10
lever
any rigid body that is free to move about a fixed point
pressure = the force over the area
pa = pascal