Chapter 9: Class 9 Physics Exam Tests
Class 9 Physics MCQs - Chapter 9
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MCQ 46: If a box is pulled by a rope making an angle with the surface then the horizontal component of force is equal to
MCQ 47: A block weighing 18 N is lifted 7 m vertically upward. The potential energy stored in it is
MCQ 48: To heat our houses and run industry and transport, we use coal, oil and gas which are termed as
MCQ 49: A ship moves at a speed of 4 ms-1. Water resistance acting on it is 4000 N. The power of its engine is
MCQ 50: Energy can be converted into some other forms but cannot be
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