Laws Of Motion Question 356
Question: Which of the following statements is not true [CMC Vellore 1989]
Options:
A) The coefficient of friction between two surfaces increases as the surface in contact are made rough
B) The force of friction acts in a direction opposite to the applied force
C) Rolling friction is greater than sliding friction
D) The coefficient of friction between wood and wood is less than 1
Show Answer
Answer:
Correct Answer: C
Solution:
Sliding friction is greater than rolling friction.
