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Q13 Two constant forces are acting on a body of mass 2 kg.
10 seconds after starting to accelerate from rest, the velocity
of the body is given by (30i+20j) ms-¹.
a) Calculate the resultant force acting on the body. Give your answer in vector form.
b) If one of the forces is given by (10i - 3j) N, what is the magnitude of the other force?

Sagot :

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