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CBSE Class 11-science Answered

A smooth inclined plane of angle of inclination 30 degree is placed on the floor of a compartment of a train moving with constant acceleration a When a block is placed on the inclined plane it do not slide down or up the plane The acceleration a must be a. g b. g/2 c. g/(root 2) d. g/(root 3)
Asked by Sridevi | 18 Sep, 2019, 08:55: PM
answered-by-expert Expert Answer
W h e n space w e space a n a l y s e space t h e space m o t i o n space w i t h space r e s p e c t space t o space n o n minus i n e r t i a l space f r a m e space o f space r e f r e n c e space w e space w i l l space space a p p l y space t h e space c o n c e p t space o f space P s u e d o space f o r c e space
H e r e space w e space w i l l space s o l v e space t h e space q u e s t i o n space w i t h space r e s p e c t space t o space t r a i n space w h i c h space i s space a c c e l e r a t i n g
C o m p o n e n t space o f space f o r c e space d u e space t o space g r a v i t y equals m g sin 30 to the power of 0
C o m p o n e n t space o f space p s u e d o space f o r c e equals m a cos 30 to the power of 0
T h e s e space t w o space f o r c e s space s h o u l d space b a l a n c e space e a c h space o t h e r space t o space p r e v e n t space t h e space b l o c k space f r o m space s l i d i n g space d o w n space o r space u p space t h e space i n c l i n e d space p l a n e
therefore space m a cos 30 to the power of 0 equals m g sin 30 to the power of 0
S o space a equals g tan 30 to the power of 0
therefore a equals fraction numerator g over denominator square root of 3 end fraction m s to the power of negative 2 end exponent
Answered by Utkarsh Lokhande | 19 Sep, 2019, 11:24: AM
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