wiz-icon
MyQuestionIcon
MyQuestionIcon
2
You visited us 2 times! Enjoying our articles? Unlock Full Access!
Question

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

A
Equal to Mg
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
Less than Mg
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
Greater than Mg
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
Impossible to tell without knowing the speed
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is C Equal to Mg
Here, the elevator is moving upward with a constant speed, that means acceleration due to gravity is acceleration present.
Due to gravity, a downward force is acting downwards, F=mg.
From figure,
T=mg
where T is the tension of the string.


1501945_795533_ans_32010ea2be9842e093cce2e4c7b79856.png

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Dearrangement
PHYSICS
Watch in App
Join BYJU'S Learning Program
CrossIcon