Laws Of Motion Question 181
Question: A body of mass 40 gm is moving with a constant velocity of 2 cm/sec on a horizontal frictionless table. The force on the table is[NCERT 1978]
Options:
A) 39200 dyne
B) 160 dyne
C) 80 dyne
D) Zero dyne
Show Answer
Answer:
Correct Answer: A
Solution:
Force on the table = mg =$ 40\times 980= $ 39200 dyne