$A b o d y h a n g s f r o m a s p r i n g b a l a n c e s u p p o r t e d f r o m t h e f r o m t h e c e i l i n g o f a n e l e v a t o r . I f t h e e l e v a t o r h a s a n u p w a r d a c c e l e r a t i o n o f 2.5 m / s^{2} a n d t h e b a l a n c e r e a d s 50 N, w h a t i s t h e t r u e w e i g h t o f t h e b o d y ?$

(i) - p; (ii) - q; (iii) - r

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B

$R e a d i n g i n t h e s p r i n g b a l a n c e i s e q u a l t h e t e n s i o n i n t h e s p r i n g = 50 N . A s t h e e l e v a t o r i s a c c e l a r a t i n g i n u p w a r d d i r e c t i o n w i t h 2.45 m / s^{2} = \frac{g}{4} . T - m g = m a 50 - m g = m (\frac{g}{4}) m g = 40 N$

Suggest Corrections

Similar questions

Q. Find the accelerations

a_{1}, a_{2}

and

a_{3}

of the three blocks as shown in figure, if a horizontal force of

10 N

is applied on the

3 kg

block. The coefficient of static friction (

μ

) for all contact surfaces are shown in the figure. Take

g = 10 {m/s}^{2}

$A b o d y h a n g s f r o m a s p r i n g b a l a n c e s u p p o r t e d f r o m t h e f r o m t h e c e i l i n g o f a n e l e v a t o r . I f t h e e l e v a t o r h a s a n u p w a r d a c c e l e r a t i o n o f 2.5 m / s^{2} a n d t h e b a l a n c e r e a d s 50 N, w h a t i s t h e t r u e w e i g h t o f t h e b o d y ?$