(b) A small mass m and a heavy mass M are connected to the ends of...

 

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(b) A small mass m and a heavy mass M are connected to the ends of an inextensible string. The string is threaded through a glass tube as shown in Fig. 5.1. The tube is then held by a student and is whirled so that the mass m rotates with a constant radius rat a frequency of 175 revolutions per minute. Given that m = 0.30 kg and M = 0.90 kg. m M Fig. 5.1 glass tube (i) Show that the resultant force acting on the mass m is 8.3 N. [2] (b) A small mass m and a heavy mass M are connected to the ends of an inextensible string. The string is threaded through a glass tube as shown in Fig. 5.1. The tube is then held by a student and is whirled so that the mass m rotates with a constant radius rat a frequency of 175 revolutions per minute. Given that m = 0.30 kg and M = 0.90 kg. m M Fig. 5.1 glass tube (i) Show that the resultant force acting on the mass m is 8.3 N. [2]