Laws of MotionMedium
Question
In the show situation, which of the following is/are possible ?
Options
A.Spring force = 52 N, If F1 = 40 N and F2 = 60 N
B.Spring force = 52 N, If F1 = 60 N and F2 = 40 N
C.Spring force = 0 , If F1 = F2 = 100 N
D.Spring force ≠ 0 , If F1 = 0.2 N and F2 = 0.3 N
Solution
If F1 ≠ F2, then system will move with acceleration so spring force ≠ 0
If = 40 N & F2 = 60 N then a =
and spring force = F1 + m1a = 40 +
= (60) = 52 N
if F1 = 60 N & F2 = 40 n then spring force = 52 N
If = 40 N & F2 = 60 N then a =
and spring force = F1 + m1a = 40 +
= (60) = 52 Nif F1 = 60 N & F2 = 40 n then spring force = 52 N
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