Asign is held in equilbrium by 7 vertically hanging ropes attached to the ceiling. if each rope has an equal tension of 53 newtons, what is the mass of the sign in kg?

37.86 kg

Explanation:

The weight of sign board is equally divided on each rope. It means the tension in all the ropes is equal to the weight of the sign board in equilibrium condition.

Tension in each rope = 53 N

Tension in 7 ropes = 7 x 53 N = 371 N

Thus, The weight of sign = 371 N

Now, weight = m g

where m is the mass of sign.

m = 371 / 9.8 = 37.86 kg

the answer is f1 and d2 because if you put equal force on those two points the beam would balance trust me on this