Course home

2 Unit 2: Applied Mathematics A

66%

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

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

[2]

Find the magnitude of $F$ .

[3]

2 Unit 2: Applied Mathematics A Questions

66%

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

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

[2]

Find the magnitude of $F$ .

[3]