Question

A motorboat directed upstream is seen to be at rest from the bank of a river. Which among the following is / are correct statement in this context?
1. In terms of Physics, the engine of the boat is doing work
2. In terms of Physics, the engine of the boat is not doing any work
3. If the engine stops, no work will be done
4. If engine stops, boat will gain kinetic energy
Select the correct option from the codes given below:
[A] Only 1 & 3
[B] Only 1, 3 & 4
[C] Only 2, 3 & 4
[D] Only 2 & 4

Answer 1

Explanation:

thanks for free points bro