Which of the two, balanced forces or unbalanced forces, can change the shape of an object? Give an example to illustrate your answer.
Important Questions on Force and Laws of Motion
Describe the term 'inertia' with respect to motion.
State Newton's first law of motion. Give two examples to illustrate Newton's first law of motion.
On what factor does the inertia of a body depend? Which has more inertia, a cricket ball or a rubber ball of the same size?
Why do the passengers in a bus tend to fall backward when it starts suddenly?
Explain why, a person travelling in a bus falls forward when the bus stops suddenly.
Give reason for the following:
When a hanging carpet is beaten with a stick, the dust particles start coming out of it.
When a tree is shaken, its fruits and leaves fall down. Why?
Explain why, it is dangerous to jump out of a moving bus.
