Course home

3.3.4 Newton's third law and equilibrium

Question 2

A particle is moving across a perfectly smooth horizontal surface at a constant velocity. It is acted upon by exactly two constant horizontal forces.

The first force is $N\mathbf{F}_1 = (250\mathbf{i} - 120\mathbf{j})\text{ N}$ .

The second force is $N\mathbf{F}_2 = (k\mathbf{i} + 120\mathbf{j})\text{ N}$ .

Find the value of $k$ .

Select your answer from the following:

$- 250$

$- 130$

$130$

$250$

[4]

Markscheme

3.3.4 Newton's third law and equilibrium Questions

A Level
Maths
3.3.4 Newton's third law and equilibrium

19 exam-style questions on AQA A Level Maths 3.3.4 Newton's third law and equilibrium. Each one has a worked solution and a mark scheme showing where the marks go.

3.3.4 Newton's third law and equilibrium

Question bank

3.3.4 Newton's third law and equilibrium

Easy Medium

1 2 3 4 5

Question 2

A particle is moving across a perfectly smooth horizontal surface at a constant velocity. It is acted upon by exactly two constant horizontal forces.

The first force is $N\mathbf{F}_1 = (250\mathbf{i} - 120\mathbf{j})\text{ N}$ .

The second force is $N\mathbf{F}_2 = (k\mathbf{i} + 120\mathbf{j})\text{ N}$ .

Find the value of $k$ .

Select your answer from the following:

$- 250$

$- 130$

$130$

$250$

[4]

Markscheme

3.3.4 Newton's third law and equilibrium Questions

A Level
Maths
3.3.4 Newton's third law and equilibrium

19 exam-style questions on AQA A Level Maths 3.3.4 Newton's third law and equilibrium. Each one has a worked solution and a mark scheme showing where the marks go.