Laws Of Motion Question 418
Question: A truck moving on a smooth horizontal surface with a uniform speed u is carrying dust. If a mass
Options:
A) Zero
B)
C)
D)
Show Answer
Answer:
Correct Answer: A
Solution:
[a] The force exerted on the truck due to leaking of dust is in
Since, there is no friction, no horizontal force acts on the truck, hence no forcer is required to keep its uniform motion intact.
