Chapter 11: Class 7 Science Exam Tests
Class 7 Science MCQs - Chapter 11
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MCQ 1: The force of friction can be reduced by the help of
MCQ 2: A force which occurs when two surfaces come in contact and slows down motion while acting in
MCQ 3: Force can
MCQ 4: Friction between moving parts of machine causes
MCQ 5: When upthrust is equal to the weight of an object, it
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