A support block is acted upon by two forces shown. Knowing that the coefficients of friction between the block and the incline are u, = 0.35 and u = 0.25, Determine the force P required (a) to start the block moving up the incline, (b) to keep it moving up, (c) to prevent it from sliding down.
A support block is acted upon by two forces shown. Knowing that the coefficients of friction between the block and the incline are u, = 0.35 and u = 0.25, Determine the force P required (a) to start the block moving up the incline, (b) to keep it moving up, (c) to prevent it from sliding down.
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Transcribed Image Text:1. A support block is acted upon by two forces shown. Knowing that the coefficients of friction
between the block and the incline are u, = 0.35 and u = 0.25, Determine the force P
required (a) to start the block moving up the incline, (b) to keep it moving up, (c) to prevent it
from sliding down.
25
800 N
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