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An observer and a vehicle both start moving together with accelerations 5m/s^2 and 2m/s^2 respectively .There is a 2 kg block on the floor of the vehicle and mu =0.3 between their surfaces.If they move towards each other then find the direction and magnitude of frictional force acting between surface of block and the floor of vehicle as seen by the observer. ans is 4N along the movement of vehicle.


An observer and a vehicle both start moving together with accelerations  5m/s^2 and 2m/s^2  respectively .There is a 2 kg block on the floor of the vehicle and mu =0.3 between their surfaces.If they move towards each other then find the direction and magnitude of frictional force acting between surface of block and the floor of vehicle as seen by the observer. ans is 4N along the movement of vehicle.


Grade:10

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