Question

two masses are attached by a light string and looped over two frictionless pulleys. object 1 has mass 200g and accelerates upwards at the rate of 4.90m/s^2. determine the mass of object 2

Answer 1

F=ma

F=10(mass of object 2-0.2)

F=ma

=0.2×4.9

=0.98N

10x-2=0.98(assume that mass of second object is X)

10x =0.98+2

10x=2.98

X=0.298kg

the mass of second object=298g

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