Question

An iron sphere of mass 100 kg is suspended freely from a rigid support by means of a rope of length 2m. The horizontal force required to displace it horizontally. through 50cm is nearly

• A. 980 N
• B. 490 N
• C. 245 N
• D. 112.5 N

Answer 1

Answer: (C)

$F=mgTan\theta =\frac{mgx}{l}$