1) How do we decide that an object is moving or not ? a) According to its change of place when it moves b) Its color c) The material it is made up of 2) Rock is a moving object. State true or false a) true b) false 3) In a march-past soldiers move in a _______________________ type of motion. a) Circular motion b) Rectilinear motion c) Periodic motion 4) The pendulum of a clock swinging to and fro is periodic motion. a) true b) false 5) What is circular motion ? a) When the path of an object is circular and remains the same distance from the point.  b) When an object repeats its motion again and again c) Motion in which an object moves in a straight line.

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