Laws Of Motion Question 372
Question: On a stationary sail-boat, air is blown at the sails from a fan attached to the boat. The boat will
Options:
A) Remain stationary
B) Spin around
C) Move in a direction opposite to that in which air is blown
D) Move in the direction in which the air is blown
Show Answer
Answer:
Correct Answer: A
Solution:
The force exerted by the air of fan on the boat is internal and for motion external force is required.
