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August 3, 2015

Homework Help: Physics

Posted by Jules on Sunday, September 2, 2007 at 10:54pm.

Could you please check my answers and help me out with the last two? Thanxs!


1.Carefully define the following words: distance, displacement, speed, velocity, acceleration. Does it make a difference if we designate distance as "x" or "d"? (I dont understand this question)


2.What is the difference between “inertial mass” as in F=ma, and “gravitational mass” as in F=mg? (This one I dont understand)

3. What is the difference between acceleration “a”, and the acceleration of gravity “g”?

The difference between acceleration “a” and the acceleration of gravity “g” is that acceleration “a” is the time rate of change in velocity, while the acceleration of gravity “g” is the acceleration due to gravity alone.


4.Is acceleration proportional to net force or does acceleration equal net force?

Acceleration is proportional to the net force because any change in one is the same amount of change in the other.

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