Mechanics
This is the first topic for grade 12. You need to understand it and apply your knowledge in answering qustions based on it.
Read on the following:
1. Definition of momentum
2. SI units of momentum
3. Formula
4. How to use the formula in problem solving.
Activity 1
A tennis ball has a mass of 50g and is hit by a player at a velocity of 25m/s. Calculate the momentum of the ball (3)
Activity 2
A bus has a momentum of 20 500 kg.m/s and is traveling at 120 km/h. Calculate the mass of the bus (4)