Question

A beam of mass 0.1 kg slides at rest from x (which is 4
m above the ground) along a frictionless wire as shown
in the figure given above (Take g= 10 m/s2) when at B,
the wire exerts a force on the bead equal to

(a) 4 N downwards
(c) 3 N downwards
(b) 4N upwards
(d) 3N upwards
here R=1m
​

Answer 1

Explanation:

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