AP Physics 1mediummcq1 pt
A 5.0 kg block is pulled 4.0 m by a 25 N force angled 60° above the horizontal (cos 60° = 0.50). The work done is
A.50 J
B.100 J
C.87 J
D.25 J
Explanation
Core Concept
W = Fd cosθ = (25)(4.0)(0.50) = 50 J.
Correct Answer
A50 J
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