Physics Newtonian laws?
Question
A rock of mass 2 kg is lifted straight up by a 40 N vertical, applied force. What is the magnitude of the rock’s acceleration? All answers are in ms-2. For this question, use g = 10 ms-2.
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General Physics
7 years
1 Answer
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Answer ( 1 )
Use F = ma
Assume up is positive
40 + 2(-10) = 2a
a = 10 m/s²
as the result is positive, the rock moves upward.
I hope this helps.
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