NCERT Solutions for Class 7 Science Chapter 13
Important NCERT Questions
7th Chapter 13 Motion and Time
NCERT Books for Session 2022-2023
CBSE Board and State Board
Questions No: 1 Part: i
Classify the following as motion along a straight line, circular or oscillatory motion: Motion of your hands while running.
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Motion of your hands while running – Oscillatory motion.
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While running, the motion of your hands includes two types: oscillatory and linear motion. The back-and-forth swinging of your arms is an oscillatory motion, similar to a pendulum’s repetitive movement. Simultaneously, your hands move in a straight line, aiding in your forward movement, which is linear motion. These combined motions help maintain balance, generate momentum, and assist in propelling your body forward while running.