Force and motion class 8/9 numerical concept | force and motion class 8 and 9 numerical | In Nepali

Hey dosto !
Welcome  in our YouTube channel Hello Siksha : Your teacher your guide.
In this video we'll learn abou force and motion class 8/9 . After completing this video you will get proper ideas regarding how to solve numerical of force and motion.
And they are:
1. A car travelling at a velocity of 15 ms due north speeds up uniformly to a velocity of 30 ms in 3 seconds. Calculate its acceleration.

2.A bus is travelling at a speed of 60 km/h. On seeing a boy 11 m ahead on the road,  the driver of the bus applies brakes and the bus stops at a distance of 10m. What is its retardation and how long does it take to come to rest?

3.A bus is running with a velocity of 72 km/h. On seeing a boy on the road 65 m ahead, the driver jams on the brakes and the bus stops with uniform retardation 5 m/s². Calculate the distance travelled by the bus and discuss whether the accident takes place or not?



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