Question
Physics Question on rotational motion
Two 20 g flatworms climb over a very thin wall, 10 cm high. One of the worm is 20 cm long, the other is wider and only 10 cm long. Which of the following statement is correct regarding them?
A
20 cm worm has done more work against gravity
B
10 cm worm has done more work against gravity
C
Both worms have done equal work against gravity
D
Ratio of work done by both the worms is 4:5
Answer
10 cm worm has done more work against gravity
Explanation
Solution
The correct option is (B): 10 cm worm has done more work against gravity.