MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Tension in a String

Is 6 kg objec...

Question

Is 6 kg object is suspended by a vertical string from the ceiling of an elevator which is accelerating upwad @2.18 metre per second square, what is the tension in the string?

Open in App

Solution

The tension in the string – the weight of the object is the net force on the object.
Weight = 6 * 9.8 = 58.8 N
T – m * g = m * a
T = m * g + m * a = m * (g + a)
T = 6 * (9.8 + 2.18) = 6 * 11.98 = 71.88 N
When the elevator is accelerating upward, the tension in the string is supporting the weight of the object and causing the object to accelerate upward. So, the tension should be greater than the weight.
71.88 > 58.8N

Suggest Corrections

thumbs-up

0

Similar questions

Q. A 6.0 kg object is suspended by a vertical string from the ceiling of an elevator which is accelerating upward at a rate of 2.18 ms

^{- 2}

. The tension in the string is

Q. A block of mass 0.2 kg is suspended from the ceiling by a light string. A second block of mass 0.3 kg is suspended from the first block by another string. Find the tensions in the two strings. Take g = 10 m/s².

Q. A decoration, of mass

M

, is suspended by a string from the ceiling inside an elevator. The elevator is traveling upward at a constant speed. The tension in the string is

Q. A block of mass

0.2

kg us suspended from the ceiling by a light string. A second block of mass

0.3

kg is suspended from the first block through another string The tension in the two strings:

Q. A uniform metre stick of 200 g is suspended from the ceiling through two vertical strings of equal lengths fixed at the ends. A small object of mass 20 g is placed on the stick at a distance of 70 cm from the left end. Find the tensions in the two strings.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

What's with All the Tension in the Room?

PHYSICS

Watch in App

explore_more_icon

Explore more

Tension in a String

Standard XII Physics

Join BYJU'S Learning Program

CrossIcon