Does this mean that the position of Padma, with respect to the reference. Class 6

Does this mean that the position of Padma, with respect to the reference. Class 6

Question 1.

Does this mean that the position of Padma, with respect to the reference point, is changing with time? When does the position of an object change with respect to a reference point? Does it change when an object is moving? Class 6

Answer:

1. Yes, position of Padma with respect to the reference is changing with time.
2. The position of an object changes when it moves from its reference point constantly.
3. No, reference point does not change.

Question 2.

Suppose you are travelling on a ship which is moving at a constant speed along a straight line on a calm sea. Suppose there is no window on the ship. Is there any way that you can determine whether the ship is moving or is stationary? Class 6

Answer:

Yes, we can determine whether the ship is moving or is stationary by following ways :

1. Observing objects on the ship.
2. Navigational instruments.