ISRO Scientist or Engineer Mechanical 2007 Question 64

Question 64

Which of the following statements regarding laws governing the friction between dry surfacesare correct?
1. The friction force is dependenton the velocity sliding.
2. The friction force is directly proportional to the normal force.
3. The friction force is dependent on the materials of the contact surfaces.
4. The friction force is independent of the area of contact.
Select the correct answer using the codes given below:



Create a FREE account and get:

  • Download Maths Shortcuts PDF
  • Get 300+ previous papers with solutions PDF
  • 500+ Online Tests for Free

Comments

Register with

OR

Boost your Prep!

Download App