NSEP · Work, Energy & Momentum · Quiz
5 real NSEP questions on Work, Energy & Momentum. Instant scoring and solutions, no signup — see where you stand in ~3 minutes.
Question 1 of 5
HARDA particle of mass m is attached to one end of a light string of length L. The other end is fixed at point O. The particle is given a horizontal velocity u = √(5gL) at the lowest point. The tension in the string when it makes an angle of 60° with the vertical is: