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question_answer1) Give one condition for motion of a body to be uniform.
question_answer2) Why is the motion of a circulating fan non-uniform?
question_answer3) A body accelerates uniformly so that its velocity changes for u to v. What will be its average velocity?
question_answer4) Odometer measures displacement of the vehicle. Correct this statement.
question_answer5) What is the importance of reference point in stating motion?
question_answer6) How do we measure magnitude of displacement from a v-t curve?
question_answer7) Does the speedometer of a car measure its average speed?
question_answer8) When is the acceleration taken as negative?
question_answer9) Draw the distance-time graph for a car moving with non-uniform speed.
question_answer10) What would be acceleration of a body if its velocity-time graph is a line parallel to the time axis?
question_answer11) Plot a speed-time graph when the body is under non-uniform retardation.
question_answer12) Is the motion of a body uniform or accelerated if it goes round the sun with constant speed in a circular orbit?
question_answer13) A body is thrown vertically upward with velocity u, find the greatest height h to which it will rise.
question_answer14) A particle is moving in a circular path of radius r. What will be the displacement after half a Circle?
question_answer15) What may be the numerical ratio of displacement of distance for a moving object?
question_answer16) If the displacement of an object is proportional to square of time, predict the motion of object.
question_answer17) From the given v-t graph (see figure), what can be inferred?
question_answer18) Suppose a boy is enjoying a ride on a merry-go-round which is moving with a constant speed of . What does it imply?
question_answer19) Four cars A,B,C and D are moving on a leveled road. Their distance la versus time graphs are shown in figure. Which car is slowest?
question_answer20) A steel ball of mass 100 g is thrown horizontally with a velocity of 100 km/h from the top of a 75 m high tower. Draw a diagram to show its path of entire journey. (Do not do any calculation).
question_answer21) Out of the following, identify the graph which corresponds to a motion with (i) Uniform retardation and, (ii) Zero acceleration.
question_answer22) Draw a displacement-time graph for a body moving with uniform velocity.
question_answer23) Find the angular velocity of satellite which revolves in a circular orbit of radius 35000 km and completes one round in 12 h.
question_answer24) The distance-time graph for motion of Ram and Shyam is shown below. Which of them has greater acceleration? Justify your answer.
question_answer25) Suppose a ball is thrown vertically upwards from a position P above the ground. It rises to the highest point 0 and returns to the same point P. What is the net displacement and distance travelled by the ball?
question_answer26) What do you mean 5 m/s2 ?
question_answer27) If the displacement of a body is zero, is it necessary that the distance covered by it is also zero?
question_answer28) When do the distance and displacement of a moving object have the same magnitude?
question_answer29) How are the distance travelled by an object related to the time taken when an object travels equal distances in equal intervals of time?
question_answer30) What indicates the motion of the earth?
question_answer31) Give an example when we infer the motion indirectly.
question_answer32) When is a body said to have uniform velocity?
question_answer33) Figure shows the displacement-time graph of four children A, B, C and D. Which child has the highest velocity
question_answer34) A physical quantity measured is -10 m/s. Is it a speed or velocity?
question_answer35) Velocity-time graph of a body is shown in figure. What conclusion can be drawn about the velocity of the body from this graph?
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