Question

A simple pendulum is oscillating with an angular amplitude `60^@`. If mass of bob is `50` gram, then the tension in the string at mean position is `(g = 10 ms^(-2))`
A. 0.5 N
B. 1 N
C. 1.5 N
D. 2 N

Answer 1

Correct Answer - B
`T =mg+(mv^(2))/(r) =mg+(m)/(l)[2gl(1-cos theta)]`.