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A vehicle is moving along the positive ...

A vehicle is moving along the positive x direction if sudden brake is applied then

A

frictional force acting on the vehicle is along negative x direction

B

frictional force acting on the vehicle is along positive x direction

C

no frictional force acts on the vehicle

D

frictional force acts in downward direction

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The correct Answer is:
a
Motion `to rarr` Fricational force
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PREMIERS PUBLISHERS-LAW OF MOTION -OTHER IMPORTANT QUESTIONS & ANSWERS (VI Numerical Problems)
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  2. A scooterist moving with a speed of 36m kmh^(-1) sees a child standi...

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  3. A bus starts from rest accelerating uniformly with 4ms^(-1) at t =10s...

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  4. Force of 5sqrt(2) and 6sqrt(2) N are acting on a body of mass 1000 k...

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  5. A ball of mass 150g moving with a velocity of 15 ms^(-1) brought to re...

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  6. A machine gun fires a bullet of mass 40 g with a speed of 1200 ms^(-1)...

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  7. A ball moving with a momentum of 5kg ms^(-1) strikes against a wall at...

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  8. A force vecF=(6veci-8vecj+10k)N produces acceleartion of 1m/s^(2) in...

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  9. A block of mass 5kg resting on a frictionless plane it is stuck by ...

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  10. The initial speed of a body of mass 2.0 kg is 5.0 ms^(-1) a force fro ...

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  11. A ball of mass 0.20 kg hits a wall at an angle of 45^(@) with a veloci...

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  12. The diagram shows an estimeated force time graph for a baseball struck...

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  13. A machine gun can fire 50g bullets with a velocity of 150 ms^(-1) A 8...

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  14. A bullet of mass 100 g is fired by a gun of 10 kg with a speed of 200...

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  15. A neutron having a mass 1.67 xx10^(-27) kg and moving at 10^(8) ms^(-...

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  16. A mass of 6kg is suspended by a rope of length 2m from a celling a fo...

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  17. The system is in equilibrium if the spring balance is calibrated in ne...

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  18. Determine the tension T(1) and T(2) in the strings

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  19. A ball of mass 1 kg hangs in equlibrium from two stings OA and OB ...

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  20. A hunter has a machine gun that can fire 50 g bullets with a velocit...

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  21. As in the diagram three blocks connected together lie on a horizontal...

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