a force of 17 acts on a block of mass 4kg the forces of friction opposing the motion is 5n . the acceleration of the block is
1 answer:
Fk = μK N
N = m a
N = 4 × a
N = 4a
Fk = μK N
17 = 5 × 4a
17 = 20 a
a = ¹⁷/₂₀ = 0.85 m/s²
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