Class 9 Physics MCQs (Grade 9) From Textbook
Download Newton's Laws of Motion Quiz App | Class 9 Physics e-Book PDF
Class 9 Physics MCQs – Certification Test 32
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A cyclist of mass 30 kg exerts a force of 250 N to move his cycle. The acceleration is 4 ms−2. The force of friction between the road and tires will be
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