Physics
General
Easy
Question
A car turns a comer on a slippery road at a constant speed of 10m/5. If the coefficient of friction is 0.5, the minimum radius of the are at which the car turns is …….. meter.
- 20
- 10
- 5
- 4
The correct answer is: 20
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On the horizontal surface of a truck (=0.6) . a block of mass 1kg is placed. If the truck is accelerating at the rale of 5 m/s2 then frictional force on the block will be_
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A plate of mass M is placed on a horizontal frictionless surface and a body of mass m is placed on this plate, The coefficient of dynamic friction between this body and the plate is µ . If a force 2µmg. is applied to the body of mass in along the horizonal direction the acceleration of the plate will be ……
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