Practise defining mass as the quantity of matter in an object, using kilograms, and distinguishing mass from weight and volume in Cambridge IGCSE Physics questions.
In a double-decker bus there are two passenger compartments, one above the other.
A bus is travelling along a straight road. The bus and the driver have a combined mass of 16000 kg when there are no passengers in it. The bus has 73 passengers. The average mass of each of the passengers is 65 kg .
Calculate the total mass of the bus, the driver and the 73 passengers.
total mass of passengers =73×65( kg) OR 4700 kg
(total mass of bus, driver and 73 passengers) =21000 kg