Question
Question: A block of mass m is connected to three springs, each of spring constant k as shown in fig. The bloc...
A block of mass m is connected to three springs, each of spring constant k as shown in fig. The block is pulled by x in the direction of C. Find resultant spring constant.
A
k
B
2k
C
3k
D
3k/2
Answer
3k
Explanation
Solution
Fnet = -(kx + kxcos60 + kx cos60)
= -2kx ∴ keq = 2k