Mathematics 9709/41 — May/June 2020

Cambridge A-Level · Mechanics · worked solutions for every part, with the mark scheme

questions

marks

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Topics Forces and Equilibrium · Newton's Laws of Motion · Energy, Work and Power · Kinematics of Motion in a Straight Line · Momentum

Q13MForces and EquilibriumFree sample

Fig. 1.1

Three coplanar forces of magnitudes $100\text{ N}$ , $50\text{ N}$ and $50\text{ N}$ act at a point $A$ , as shown in the diagram. The value of $\cos \alpha$ is $\frac{4}{5}$ .

Find the magnitude of the resultant of the three forces and state its direction.

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6 more questions

Q2Newton's Laws of Motion · Forces and Equilibrium · Energy, Work and Power5M
Q3Kinematics of Motion in a Straight Line7M
Q4Forces and Equilibrium · Newton's Laws of Motion7M
Q5Energy, Work and Power7M
Q6Kinematics of Motion in a Straight Line11M
Q7Newton's Laws of Motion · Momentum · Energy, Work and Power10M

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