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Example Questions
Example Question #11 : Mechanics
If the block of mass slides up a frictionless incline plane and is pulled by mass which is falling then what is the acceleration of the block on the ramp if and and the angle of incline is 30 degrees?
Possible Answers:
Correct answer:
Explanation:
Begin by making a free body diagram for each block:
Use the diagram to write an equation for net force on each block:
Since for the block on the ramp and for falling block we can substitute into these equations:
Then add the equations to get:
Next rearrange to isolate :
Substitute the given values from the question and solve:
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