A body of mass \( 5 \mathrm{~kg} \) is moving in a straight line. The relation between its displ...

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A body of mass \( 5 \mathrm{~kg} \) is moving in a straight line. The relation between its displacement and time is \( x=\left(t^{3}-2 t-10\right) m \). What is the force acting on it at the end of 5 second?
(A) \( 120 \mathrm{~N} \)
(B) \( 80 \mathrm{~N} \)
(C) \( 150 \mathrm{~N} \)
(D) \( 100 \mathrm{~N} \)
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