Question 11 MarkA Boy experiences a centrifugal force on his hand when he rotates a piece of stone tied at one end of a string, holding the other end in the hand.AnswerFalseView full question & answer→
Question 21 MarkIn a uniform circular motion, the speed continuously changes because of the direction of motion changes.AnswerFalseView full question & answer→
Question 31 MarkA uniform linear motion is unaccelerated , while a uniform circular motion is an accelerated motion..AnswerTrueView full question & answer→
Question 41 MarkThe motion of the moon around the earth in a circular path is an accelerated motion.AnswerTrueView full question & answer→
Question 51 MarkThe earth moves around the sun with a uniform.AnswerFalseView full question & answer→
Question 61 MarkCentre of gravity of a freely suspended body always lies vertically below the point of suspension.AnswerTrueView full question & answer→
Question 71 MarkThe position of the centre of gravity of a body remains unchanged even when the body is deformed.AnswerFalse. The position of the centre of gravity of a body of given mass depends on its shape i.e., on the distribution of mass in it.View full question & answer→