The tension in a string where a 7kg object suspends in an elevator is 74N what's the acceleration?

can you tell me how you got the answer? It's a physics problem for tension. A free-body diagram is involved somehowThe tension in a string where a 7kg object suspends in an elevator is 74N what's the acceleration?
use gravity 9.8M/s2





and you will likely have kg M/S2 or Newtons





per second is gonna be Joules or somethingThe tension in a string where a 7kg object suspends in an elevator is 74N what's the acceleration?
If the elevator were stationary, the tension in the string would equal the force due to gravity... = F = ma = mg = 7 * 9.8m/s^2 = 68.6N. Gravity is puling 68.6N down, the string is pulling 68.6N up.





But we've got additional tension (x)... so,


F = ma = m(g + x) = 74N


g + x = 74N / m


x = (74 / m) - g = 7.55 - 9.8 = 2.25m/s^2 upward.