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Sahay Sir > Question Answers > Cengage NEET by C.P Singh > Part 1 > Chapter 7 - Friction > A block of mass m is in contact with the cart as shown in figure. The coefficient of static friction between the block and the cart is u. The acceleration a of the cart that will prevent the block from falling satisfies

A block of mass m is in contact with the cart as shown in figure. The coefficient of static friction between the block and the cart is u. The acceleration a of the cart that will prevent the block from falling satisfies

A car starts from rest on a 1600 m long bridge. The coefficient of friction between the tyre and road is 0.8. The minimum time taken by the car to cross the bridge is