Question

24. The minimum horizontal force applied to the
centre of wheel of radius R and weight w to pull
R
it over a step of height R/2
F
R/2
W
(1) W
(2)
2
w
(3) w/3
(4)​

Answer 1

Answer:

(3) w√3

Explanation:

Here, we use pythagorus theorem and angular equating law.

Hint:- angular torque = horizontal force or ang.torq.>hz.force unless the wheel not stepup..

Hope u get it...

Answer 2

the answer is W√3 hope it helps you