Question

1) A truck that is stopped on the road has to be pushed hard to get into motion.
When the truck is moving a little, it can be moved faster with a smaller /less
push. Why?
2) The shape of an aeroplane is not kept the same as the shape of the bus. Why?
Applies learnt scientific concepts in everyday life​

Answer 1

1. because it has pushed hardly

2. because aeroplane can fly and bus can't fly