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secondary 4 | A Maths
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Hellppp how does this qn work?
Date Posted: 3 years ago
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Correctly identify the line of action of the force (weight in this question) and the pertinent pivot. Draw out, as illustrated, to determine the moment about the pivot identified.
Author of several O-level Science guide books (my profile pic). My forte is tutoring O-level sciences (Chemistry, Physics, Biology). Telegram Messenger: @ChillXsg Note that only my tuition students have the privilege to direct message questions, to clarify.
Author of several O-level Science guide books (my profile pic). My forte is tutoring O-level sciences (Chemistry, Physics, Biology). Telegram Messenger: @ChillXsg Note that only my tuition students have the privilege to direct message questions, to clarify.
Date Posted:
3 years ago
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These two questions / answers from the O-level 'Explain That! Physics' book by Tan Jun Wei, will help you to better understand how the c.g. of an object can be affected, as per your prior comment / question.
Strongly advise you get a copy - based on your prior questions, you're really weak at explaining concepts. This book will help a lot.
Strongly advise you get a copy - based on your prior questions, you're really weak at explaining concepts. This book will help a lot.
Date Posted:
3 years ago
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So yes... if you tilt the bus, the position does change. To understand, compare the position of the c.g. of a rectangle when resting on a floor. The c.g. is still at the centre of the rectangle, where the diagonals meet. But the actual c.g. position relative to the floor, whether the rectangle lies on the width or the length of the rectangle... is different.
Author of several O-level Science guide books (my profile pic). My forte is tutoring O-level sciences (Chemistry, Physics, Biology). Telegram Messenger: @ChillXsg Note that only my tuition students have the privilege to direct message questions, to clarify.