While pushing a heavy box from one place to another in his house, Naresh noticed that it was difficult to take a stationary box from its resting position to moving position but it was easy to move that box with that speed. Why was it so ?
A. Sliding friction is less than static friction
B. Static friction is less than sliding friction
C. The weight of the box decreases
D. None of the above.
Answer:A
While pushing a heavy box from one place to another in his house, Naresh noticed that it was difficult to take a stationary box from its resting position to moving position but it was easy to move that box with that speed. Why was it so ?
A. Sliding friction is less than static friction B. Static friction is less than sliding friction C. The weight of the box decreases D. None of the above.