Mathematics, 29.04.2021 16:10 riptaylorsreputation

—MUST ANSWER IF YOU KNOW—- Three forces F, F2 and Fz are acting on a body of mass 2 kg such that
F, = (61 - 7j) N,
F2 = (ai +2j) N.
F3 = (5i + bj)
♡
where a, b are constants.
a) Given that the acceleration of the body is (71 - 3j) ms-2, find the values of the
constants a, b.
[4]
b) A fourth force, F4, is then applied to the body causing it to move with constant
velocity. Find F4, giving your answer in vector form.
[2]

Answers: 3

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—MUST ANSWER IF YOU KNOW—- Three forces F, F2 and Fz are acting on a body of mass 2 kg such that