- Question 13 marks
Work done against air resistance by a falling particle.
- Question 24 marks
Collision on a smooth table: unknown speed and kinetic energy lost.
- Question 36 marks
Coplanar forces in equilibrium: show an equation and find a force and an angle.
- Question 47 marks
An athlete’s power on the level, then an energy method on a slope.
- Question 56 marks
Least horizontal force keeping a particle on a rough slope.
- Question 611 marks
Velocity as a function of time: constants, acceleration, rest and return speed.
- Question 713 marks
Particles over a pulley with rough then smooth sections: acceleration, speed and time.