Question

hi

the chair in the fig (attached file) is to be dragged to the right at a constant speed along a horizontal surface, the coeffiecient of sliding friction being 0.30 the chair weighs 50lb.

(a) What is the horizontal force needed?

(b)What is the upward force at each leg if the force dragging the chair is applied at point A?

(c)What is the upward force at each leg if force is applied at point B?

(d)What is the maximum height at which the dragging force can be applied without causing the chair to tip?

Answer 1

am trying to attach the pic

Answer 2

the pic is attached the question is mainly about taking moments

Answer 3

any idea how i start