engineering recuitment ISRO Scientist Mechanical Mock Test Engineering Mechanics Kinematics and Kinetics Circular Motion
A steel ball of mass 2.4 kg is tied to a string and whirled it in a horizontal plane in a circle of diameter 2 m at a constant speed of 20 rpm. The tension in the string is (ignore gravity)
1
5 N
2
10.5 N
3
100 N
4
50.5 N