A force of 150N pulls a 30Kg box to the right. IF the coefficient of kinetic friction is 0.25, what is the horizontal acceleration of the box?
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A force of 150N pulls a 30Kg box to the right. IF the coefficient of kinetic friction is 0.25, what is the horizontal acceleration of the box?
tejalsavjani:
answer?
Answered by
4
WE have the equation:
F - Ff = ma.......... where Ff = frictional force = μmg
150 - μmg = ma
150 - 0.25(30)10 = 30a
150 - 75 = 30a
75 = 30a
a= 2.5 m/s²
can you elaborate
by the way thanks
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