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question 21
problem reference 6.3
a 16.0 kg sled is being pulled along the horizontal snow - covered ground by a horizontal, constant force of 24.0 n. starting from rest, the sled attains a speed of 2.00 m/s in 8.00 m.
what is the work done by the constant, applied pulling force of 24.0 n?
192 j
157 j
384 j
48.0 j

Explanation:

Step1: Recall the work formula

The formula for work \(W\) when a constant force \(F\) acts over a displacement \(d\) is \(W = F\times d\).

Step2: Identify the values of \(F\) and \(d\)

Given \(F = 24.0\space N\) and \(d=8.00\space m\).

Step3: Calculate the work

Substitute the values into the formula: \(W=(24.0\space N)\times(8.00\space m)=192\space J\)

Answer:

192 J