An electric pole appears to be at __________________, when we observe it by standing on the road but the same pole appears to be moving, when we observe it from a running train.

A type of motion that repeats itself after equal intervals of time is called ______________________.

A man sitting next to you in a moving car is at ________________ with respect to you

A motion that does not repeat itself at regular intervals or a motion that does not repeat itself at all is called_______________________.

The change in position of a body with time is called _______________________ .

The persons sitting in a moving bus are at rest with respect to one another, but are in motion with respect to a ______________ standing along the road side,.

Which of the following are correct :

(a) A type of motion that repeats itself after equal intervals of time is called periodic motion.

(b) A motion that does not repeat itself at regular intervals or a motion that does not repeat itself at all is called periodic motion.

Which of the following are correct :

(a) The persons sitting in a moving bus are at rest with respect to one another, but are in motion with respect to a person standing along the road side.

(b) The persons sitting in a moving bus are at motion with respect to one another, but are in rest with respect to a person standing along the road side.

Which of the following are correct ?

(a) Average speed of an object in a time interval is equal to the total distance traveled divided by the total time taken.

(b)  The SI unit of speed is meter per second.

Which of the following are correct :

(a) A motion that does not repeat itself at regular intervals or a motion that does not repeat itself at all is called periodic motion.

(b) A motion that does not repeat itself at regular intervals or a motion that does not repeat itself at all is called non- periodic motion.

(c) Example of non- periodic motion are a car moving on a road, a bird gliding across the sky.