A boy on a cycle pedals around a circle of 20 metres radius at a speed of The combined mass of the boy and the cycle is 90 kg. The angle that the cycle makes with the vertical so that it may not fall is (g=9.8 m/sec2)

Question:

2.A boy on a cycle pedals around a circle of 20 metres radius at a speed of The combined mass of the boy and the cycle is 90 kg. The angle that the cycle makes with the vertical so that it may not fall is (g=9.8 m/sec2)

Options :

a) 60.25°
b) 63.90°
c) 26.12°
d) 30.00°

Answer :

b) 63.90°

Answer Steps :

Solution :-

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