onelinerinfo@gmail.com
Home | About Us | Contact Us
onelinerinfo@gmail.comHome | About Us | Contact Us
|
Q 1.
Friction is a?
Ans.
Contact force.
|
|
Q 2.
A toy car released with the same initial speed will travel farthest on?
Ans.
Polished marble surface.
|
|
Q 3.
How lubricant helps?
Ans.
Reduce friction.
|
|
Q 4.
Friction always?
Ans.
Opposes the motion.
|
|
Q 5.
Sliding friction is ___to rolling friction?
Ans.
Smaller.
|
|
Q 6.
Why it is difficult to walk on a oily floor?
Ans.
Because force of friction is very less.
|
|
Q 7.
When we apply oil on door hinges, it will be?
Ans.
Decrease friction.
|
|
Q 8.
Sprinkling of powder on carrom board?
Ans.
Reduces friction.
|
|
Q 9.
Friction produces?
Ans.
Heat.
|