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Week 5

force and motion

QuestionAnswer
Drag resistance by friction from air or water moving over a surface
Equilibrium balance
Deceleration slowing down
Newton a unit of force
Pivot a fixed point supporting something that turns or balances
Axis an imaginary line that an object spins or revolves around
Pressure the force per unit area exerted on an object
energy in physics, the ability to work
impulse something that  changes the momentum of an object.  As a measurement, it equals  the objects mass multiplied by its velocity.  For spinning things there is a related idea called angular momentum. 
projectile an object that has been put into motion in the air by some force.
Created by: 809789
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