Question

A short 10-g string is used to pull a 50-g toy across a frictionless horizontal surface. If a 30 x10-2N force is applied horizontally to the free end of the string, the force of the string on the toy, at the other end, is:
A) 0.15 N
B) 6.0 x10-3N
C) 2.5 x10-2N
D) 3.0x10-2N
E) 3.5 x10-2N

Answer

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