Chapter 5 - Work and Energy - Learning Path Questions and Exercises - Exercises - Page 175: 24

a). The work done is same in both segments. b). The value is $90MJ$ each.

$Work=Force\times Distance \,travelled$ The Works are :- $W_{1}=\frac{18\times1}{2}\times10^{7}J=90MJ$ $W_{2}=\frac{18\times1}{2}\times10^{7}J=90MJ$ So, a). The work done is same in both segments. b). The value is $90MJ$ each.