Question

Identify the type of motion in each of the following

1- A car moving on a straight road
2- Movement of the earth on its axis
3- Your heart beat
4-Motion of a paddle of a moving cycle
5- Motion of a plucked guitar string

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Answer 1

Answer:

• Linear motion: An object is said to have linear motion if it moves from one point to another in a straight line. For example: The motion of a moving car on a straight road.
• Rotation is the movement of the earth on its axis. The movement of the earth around the sun in a fixed path or orbit is called Revolution.
• Every heartbeat results in blood moving forward through your arteries. You can feel this movement as a 'pulse' by placing two fingers over the artery of your wrist. Your pulse rate tells you how fast your heart is beating.
• The movement of feet that is used for pedaling exerts a circular motion. This motion is also related to periodic motion. -The movement of the rider on the bicycle exerts a multiple and Random motion. Therefore, we can say the motion of the pedal of a bicycle will be circular motion.