Laws Of Motion Question 101
Question: A body of mass 2 kg is being dragged with uniform velocity of 2 m/s on a rough horizontal plane. The coefficient of friction between the body and the surface is 0.20. The amount of heat generated in 5 sec is
Options:
A) 9.33 cal
B) 10.21 cal
C) 12.67 cal
D) 13.34 cal
Show Answer
Answer:
Correct Answer: A
Solution:
Work done = Force × Displacement
