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Motion Class 9 HOTS Questions Physics Motion Numericals

 Physics Motion Class 9

Questions taken from S. Chand


Questions Based on High Order Thinking Skills (HOTS)

55. A body is moving along a circular path of radius R. What will be the distance travelled and displacement of the body when it completes half a revolution ?

56. If on a round trip you travel 6 km and then arrive back home : 

(a) What distance have you travelled ? (b) What is your final displacement ?

57. A body travels a distance of 3 km towards East, then 4 km towards North and finally 9 km towards East. 

(i) What is the total distance travelled ? (it) What is the resultant displacement ?

58. A boy walks from his classroom to the bookshop along a straight corridor towards North. He covers a distance of 20 m in 25 seconds to reach the bookshop. After buying a book, he travels the same distance in the same time to reach back in the classroom. Find (a) average speed, and (b) average velocity, of the boy.

59. A car travels 100 km at a speed of 60 km/h and returns with a speed of 40 km/h. Calculate the average speed for the whole journey.
60. A ball hits a wall horizontally at 6.0 m s-I. It rebounds horizontally at 4.4 m s-I. The ball is in contact with the wall for 0.040 s. What is the acceleration of the ball?



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