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Question
A 40 kg wooden crate is being pushed across a wooden floor with a force of 160 N. If µk = 0.3, the acceleration of the crate is ______ m/s2. (g = 10 m/s2}
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MCQ
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Solution
A 40 kg wooden crate is being pushed across a wooden floor with a force of 160 N. If µk = 0.3, the acceleration of the crate is 1 m/s2. (g = 10 m/s2}
Explanation:
a = `(160 "N" -120 "N")/(40 "kg")`
= 1 m/s2
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