General

1) If the total external force acting on a rigid body is zero, then
(a) only linear momentum remains constant
(b) only angular momentum remains constant
(c) both linear momentum and angular momentum remains constant
(d) neither linear momentum nor angular momentum remain constant

2) A ball of mass M is tied to a string of length L is whirled round in a horizontal plane in a circle of radius R. The speed of the stone is increased beyond the maximum permissible value and the string breaks suddenly; then
(a) the stone will jerk radially outwards

Introduction The Science Olympiad Foundation (SOF) is an educational foundation and a non-profit organisation based in New Delhi, India which promotes science, mathematics, introductory computer education and English language skills amongst school children in India. It organises five Olympiads annually, namely the National Cyber Olympiad (NCO), the National Science Olympiad (NSO), the International Mathematics Olympiad

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Examination time is intense, with many students dedicating themselves to round-the-clock study sessions to achieve high scores and move up to the next class. While it’s crucial to put in the effort, it’s equally important to manage exam-related stress effectively. Remember, it’s just an exam at the end of the day! Here are some practical

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