Available Answers

1. 1.

   When is a body said to be in motion in relation to an observer?

2. 2.

   Suppose you are running down a street. Are the houses on the street at rest or in motion relative to you?

3. 3.

   What is rectilinear motion?

4. 4.

   If you throw a tennis ball in the air, what type of motion does it have?

5. 5.

   Quite often, a body has two types of motion at the same time. Give one example of this.

6. 6.

   Is it possible for a body to appear to be at rest to one observer and in motion to another at the same time? Explain with the help of an example.