Laws Of Motion Question 306
A solid sphere of 2 kg is suspended from a horizontal beam by two supporting wires as shown in fig. Tension in each wire is approximately $ ( g=10,m{{s}^{-2}} ) $
Options:
A) 30 N
B) 20 N
C) 10 N
D) 5 N
Show Answer
Answer:
Correct Answer: B
Solution:
$ 2T\cos 60{}^\circ =mg\text{ or }T=\frac{mg}{2\cos 60{}^\circ}=\frac{20}{2\times 0.5}=20\text{ N}\text{.} $
BETA
