State whether the following statement is True or False. 

A body can be at rest and in motion at the same time in relation to the same set of surroundings.

State whether the following statement is true or false. 

A passenger flying in an aeroplane is at rest with respect to the airport and moving with respect to other passengers.

The motion of the propeller of a flying helicopter, the minute hand of a watch, the tape of a cassette recorder.

I. A train runs from New Delhi to Hyderabad. It covers the first distance of $420$ kilometres in $7$ hours and next distance of $360$ kilometres in $6$ hours.
II. Gopi takes part in a car race. He drives a distance of $70$ kilometres each in the first, second and third hours.
Which of the following statements is true?

Write the motion of different parts of a bicycle while it is motion

a) the wheel

b) the cycle chain

c) the pedal with its arm

d) the movement of the feet pedaling

e) the movement of the rider along with the bicycle.