Question

A 40 kg wooden crate is being pushed across a wooden floor with a force of 160 N. If µ_k = 0.3, the acceleration of the crate is ______ m/s². (g = 10 m/s²}

विकल्प

• 1

• 2

• 3

• 4

Answer 1

A 40 kg wooden crate is being pushed across a wooden floor with a force of 160 N. If µ_k = 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