physics

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Unless otherwise stated, all objects are located near the Earth's surface, where = 9.80 .
A block of mass 23.0 slides down a frictionless surface inclined at 35.
Part A

To ensure that the block does not accelerate, what is the magnitude of the smallest force that you must exert on it?
What is its direction?






What is its direction?


down the incline


up the incline

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