Write the similarities and the differences between the motion of a bicycle and a ceiling fan that has been switched on.While measuring the length of a knitting needle, the reading of the scale at one end is 3.0 cm and at the other end is 33.1 cm. What is the length of the needle?
Answers
Answer:
Write the similarities and the differences between the motion of a bicycle and a ceiling fan that has been switched on.
ans:-
Similarities are:-
The wheel of a bicycle and a ceiling fan execute a rotational motion on a fixed axis.
The particles of both exhibit circular motion except the particles at the centre. Differences
Bicycle change its position while exhibiting circular motion but a ceiling fan does not change its position
While measuring the length of a knitting needle, the reading of the scale at one end is 3.0 cm and at the other end is 33.1 cm. What is the length of the needle?
ans:- While measuring the length of a knitting needle, the reading of the scale at one end is 3.0 cm and at the other end is 33.1 cm. What is the length of the needle? Answer: Length of the needle = 33.1 cm – 3.0 cm = 30.1 cm.
Explanation: