A) \[3.45\,\,J\]
B) \[5.30\,\,J\]
C) \[2.45\,\,J\]
D) \[4.50\,\,J\]
Correct Answer: C
Solution :
\[W=F\,\,S=mg\,\,\sin \theta \times S\] \[=1\times 9.8\times \sin 30\times 0.5=2.45\,\,J\]You need to login to perform this action.
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