A block of mass \( 10 \mathrm{~kg} \) is released on a fixed wedge inside a cart which is moving...

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A block of mass \( 10 \mathrm{~kg} \) is released on a fixed wedge inside a cart which is moving with constant velocity \( 10 \mathrm{~ms}^{-1} \) towards right. There is no relative motion between block and cart. Then, work done by normal reaction on block in two seconds from ground frame will be (Take, \( g=10 \mathrm{~ms}^{-2} \) )
(a) \( 1320 \mathrm{~J} \)
(b) \( 960 \mathrm{~J} \)
(c) \( 1200 \mathrm{~J} \)
(d) \( 240 \mathrm{~J} \)
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