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A 5 kg mass is attached to the ceiling of an elevator by a rope whose mass is negligible. What is the tension in the rope when the elevator accelerates upward at 4 m/s2?
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A 5 kg mass is attached to the ceiling of an elevator by a rope whose mass is negligible. What is the tension in the rope when the elevator accelerates upward at 4 m/s2?

User Maged Makled
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1 Answer

3 votes

Answer:

Step-by-step explanation:

Given

mass of object
m=5\ kg

Object is attached to the ceiling of an elevator by a rope

Suppose T is the Tension in the rope so

acceleration of the elevator
a=4\ m/s^2 (upward)

From Free Body diagram we can write as


T-mg=ma


T=m(g+a)


T=5(9.8+4)


T=69\ N

A 5 kg mass is attached to the ceiling of an elevator by a rope whose mass is negligible-example-1
User Sir Wobin
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