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# ch.6 powerpoint

### p.p. questions 1-4

What is the sum of all forces acting on an object? Net force
What happens to an object when the sum of the forces is zero? it is in equilibrium
What is acceleration proportional to? a.gravity b.force c.net force b.force
What is another thing acceleration is proportional to? a.force b.gravity c.Mass c.Mass
In Newton's Second Law what is acceleration equal to? a.net force over mass b.force over mass c.mass over net force a.net force over mass
What happens when the force is doubled on the same mass? a.the net force doubles b.the number of newton's double c.the acceleration doubles c.the acceleration doubles
Which of the following is not a factor of friction? a.always opposes motion b.no change in motion c.caused by irregularities in the surfaces b.no change in motion
What is it called when an object pushes aside the fluid it is moving through? a.fluid friction b.solid friction c.gravitational friction a.fluid friction
Created by: MSeise

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