CBSE Class 11-science Answered
please solve the 10th question!!
Asked by amritchirania | 10 Jul, 2019, 08:22: PM
Expert Answer
Let mass m1 move up with acceleration. Let masses m2 and m3 are moving down with acceleration a.
Figure shows the tension forces acting on each block along with own weight.
Let us apply Newton's law for each block
Block of mass m1 : T1 - m1 g = m1 a .......................(1)
Block of mass m2 : T2 + m2 g - T1 = m2 a .......................(2)
Block of mass m3 : m3 g - T2 = m3 a .......................(3)
By adding LHS and RHS of all the above equations, we get, (m3 + m2 - m1) g = ( m1 + m2 + m3 ) a .......................(4)
from eqn.(4), we get acceleration ........................(5)
Tension T2 is obtained from eqn.(3) and using substitutution fro acceleration using eqn.(5)
Answered by Thiyagarajan K | 11 Jul, 2019, 05:12: PM
CBSE 11-science - Physics
Asked by sheikhsaadat24 | 17 Apr, 2024, 09:41: PM
ANSWERED BY EXPERT
CBSE 11-science - Physics
Asked by sy123946 | 07 Apr, 2024, 04:23: PM
ANSWERED BY EXPERT
CBSE 11-science - Physics
Asked by derhebha955 | 03 Apr, 2024, 09:03: AM
ANSWERED BY EXPERT
CBSE 11-science - Physics
Asked by sumedhasingh238 | 29 Mar, 2024, 05:15: PM
ANSWERED BY EXPERT
CBSE 11-science - Physics
Asked by sumedhasingh238 | 28 Mar, 2024, 11:10: PM
ANSWERED BY EXPERT
CBSE 11-science - Physics
Asked by roshnibudhrani88 | 23 Mar, 2024, 05:52: PM
ANSWERED BY EXPERT
CBSE 11-science - Physics
Asked by emad.amd | 21 Mar, 2024, 12:00: PM
ANSWERED BY EXPERT
CBSE 11-science - Physics
Asked by vinitdubey7735 | 14 Mar, 2024, 11:21: AM
ANSWERED BY EXPERT
CBSE 11-science - Physics
Asked by om636694 | 04 Mar, 2024, 09:10: PM
ANSWERED BY EXPERT
CBSE 11-science - Physics
Asked by rajuinwati12 | 04 Mar, 2024, 09:22: AM
ANSWERED BY EXPERT