1. Truck Motion and Resistance: Using the work-energy principle and power to calculate resistance and speed under different conditions for a truck moving on horizontal and inclined roads.

2. Impulse and Velocity: Solving problems involving impulse, change in velocity, and kinetic energy to find the possible values of velocity and impulse.

3. Center of Mass and Equilibrium: Finding the center of mass of a composite lamina and determining the angle of equilibrium using force analysis.

4. Work-Energy Principle on a Ramp: Applying the work-energy principle to find the work done against friction, the speed of a particle after moving up a ramp, and its speed when it returns.

5. Projectile Motion and Energy: Using energy conservation to solve for the initial speed of a projectile and its launch angle.

6. Collision and Restitution: Solving collision problems using the coefficient of restitution and analyzing kinetic energy loss during the collision of two particles.