Question

A. SUITCASE WITH WHEELS REMOVE:-
i. STATIC FRICTION
ii. SLIDING FRICTION
iii. ROLLING FRICTION
iv. NONE OF THESE

B. FRICTION HELPS EVERYDAY IN:-
i. TIE A KNOT
ii. LIGHT A MATCHSTICK
iii. FIX SCREW ON WOOD
iv. ALL OF THESE

C. IF THE STATIC FRICTION BETWEEN TWO SURFACES X AND Y IS FOUND TO BE 20N, THEN THE ROLLING FRICTION BETWEEN THESE TWO SURFACES SHOULD MOSTLY LIKELY BE:-
i. 25N
ii. 20N
iii. 5N
iv. 50N​

Answer 1

Answer:

1.rolling friction

2.all of these

3.25N

Explanation:

I hope they are correct and helpful

Answer 2

Answer:

A. Sliding Friction.

B. All of these

C. 25 N