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(a)(i) What effect do balanced and unbalanced forces have on a body?
(ii) How can a force change the motion of a body? How does a net force change the motion of a body?
(iii) How do I identify the action reaction pair acting on two interacting bodies?
(b) and (d) How can a free body diagram be used to interpret the change in motion of a body?
(c) This requires vector sum of two forces to give a resultant OR vector sum of 3 forces equal zero.
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