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Pseudo Force

A vehicle is ...

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A vehicle is moving on a road with an acceleration a=20 .the frictional coefficient between the block of mass m and the vehicle so that block is does not fall downward

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Q. A vehicle is moving on a road with an acceleration

a = 20 m / s^{2}

as shown in the figure. The frictional coefficient between the block of mass

m

and the vehicle so that block does not fall downward is (g = 10

m / s^{2}

)

Q. A vehicle is moving on a road with an acceleration

40 m / s^{2}

as shown in figure. the minimum coefficient of friction between the vehicle and the block so that the block does not fall downward is

(g = 10 m / s^{2})

Q. A vehicle of mass

m

is driven along an un-banked curved path of radius of curvature

r

v

μ

is necessary minimum coefficient of friction between tyres of vehicle and road so that the vehicle does not skid, then:

Q. An observer and a vehicle, both start moving together from rest (towards right) with acceleration

5 m / s^{2}

2 m / s^{2}

, respectively. There is a

1 k g

block on the floor of the vehicle and coefficient of friction is

μ = 0.3

between their surfaces. What is the magnitude of the work done (in

J

) by frictional force on the

1 k g

block observed by the running observer, during first second of the motion.

Q. A rough vertical board has an acceleration

a

2 k g

block pressing against it does not fall. The coefficient of friction between the block and the board should be

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