NDA 2024 Physics question

PhysicsLaws of MotionNDA 2024

A block of mass 2·0 kg slides on a rough horizontal plane surface. Let the speed of the block at a particular instant is 10 m/s. It comes to rest after travelling a distance of 20 m. Which one of the following could be the magnitude of the frictional force ?

Answer: (D)

Solution

Using : , so . Frictional force .

Question ID VK-032864