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3.3 Forces and Newton's Laws

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Question 24

63%

A particle $P\,$ of mass 0.8kg moves under the action of a force $F\,$ N. The acceleration of $P\,$ is $(−3i+5j)(-3\mathbf{i} + 5\mathbf{j})$ .

a.

Find the angle between the acceleration and the vector $i\mathbf{i}$ .

[2]

b.

Find the magnitude of $F$ .

[3]

3.3 Forces and Newton's Laws Questions

A Level
Maths
3.3 Forces and Newton's Laws