3. When do you say an object is in the state of motion?
4. You are sitting in a flying aeroplane and looking out of its windows. Are you in a state of
rest or a state of motion? Explain.
5. What is linear motion? How is it different from rotational motion? Explain with one
example
6. Why is a flying insect said to be in the state of motion?
Answers
Answer:
3. An object is said to be in motion when its state of rest or movement changes.
4. Both
6. Because it is moving from on epoint to another
Explanation:
3. It is because in general, people say that rest or movement refers to motion and this is also taught for the lower classes. At higher standards, Motion has the same meaning but more defined as:-
Motion is the phenomenon in whivh the position of an object changes with time.
4. It is because the airplane is moving but you are at rest. If you take airplane as the object, then this condition would apply. But at the case of vice versa, i.e., you as the object, even then this condition would be applied.
5. When an object moves in a straight line, it is said to be in linear motion. Rotational motion is said to be in play when an object rotates on its axis. The difference can be found in the definition itself. Example- A car travelling on a staright line can never be said to be in rotational motion as rotational motion is different. Ex- A ball when attached to a string and rotated, is said to be in rotational motion