- Question 13 marks
Work done by a cyclist against resistance while speeding up.
- Question 25 marks
Velocity as a function of time: sign of acceleration and when displacement is zero.
- Question 36 marks
Four coplanar forces in equilibrium: find an angle and a force.
- Question 47 marks
Power of a car uphill and on the level, with resistance proportional to v².
- Question 58 marks
Range of a force keeping a particle in equilibrium on a rough slope.
- Question 611 marks
Particles that collide and coalesce: momentum, energy lost and timing.
- Question 710 marks
Particles connected over a pulley on a rough slope: acceleration, then speed by energy.