PhysicsLAB

Drill and Practice Review
Units and Formulas #9

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Enter each group member's
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and class period (1-8)

1
What formula is used to calculate an object's average velocity when its is experiencing uniform acceleration?
2


What is the net force on a projectile in freefall at the apex of its trajectory?

3
On an inclined plane, what component of the object's weight accelerates it down the incline?
4
On an inclined plane, what component of the object's weight provides the force pressing it to the incline's surface?
5
An inclined plane is gradually raised, just at the instant that an object resting on it starts to slip the angle of inclination is measured.  How can the value of this angle be used to calculate the coefficient of static friction between the object and the incline's surface?
6
If a more massive object made of the same material is placed on the same incline, will the angle in question #5 change?
7
What are the units used to measure the coefficient of friction between two surfaces?



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