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NORMAL FORCE

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Frictional force which always oppose the relative motion between an object and the surface where it is placed.
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Three identical cars A,B and C are moving at the same speed on three bridges. The car A goes on a plane bridge, B on a bridge convex upward and C goes on a bridge concave upward. Let F_A,F_B and F_C be the normal forces exerted by the cars on the bridges when they are at the middle of bridges

A track consists of two circular pars ABC and CDE of equal radius 100 m and joined smoothly as shown in figure.Each part subtends a right angle at its centre. A cycle weighing 100 kg together with rider travels at a constant speed of 18 km/h on the track. A. Find the normal contact force by the road on the cycle when it is at B and at D. b.Find the force of friction exerted by the track on the tyres when the cycle is at B,C and D. c. Find the normal force between the road and the cycle just before and just after the cycle crosses C. d. What should be the minimum friction coefficient between the road and the tyre, which will ensure that the cyclist can move with constant speed? Take g=10 m/s^2

Write about the forces that promote and oppose glomerular filtration. Define GFR and give the normal GFR value in adults.

A uniform ladder of mass 10 kg leans against a smooth vertical wall making an angle of 53^0 with it. The other end rests on a rough horizontal floor. Find the normal force and the frictional force that the floor exerts on the ladder

A rectangle block rests on a horizontal table. A horizontal force is applied on the block at a height h above the table to move the block. Does the line of action of the normal force N exerted by the table on block depend on h?

Cross word puzzle : Across : A force acting normal to a surface.

PREMIERS PUBLISHERS-LAW OF MOTION -OTHER IMPORTANT QUESTIONS & ANSWERS (II Very Short Answer Question)
  1. Write the expression for impulse in terms of average force

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  2. A bus weighingh 900 kg is at rest on the bus stand what is the linear...

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  3. NORMAL FORCE

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  4. Which is grater mu(s) or mu(k)

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  5. What is the relation between angle of friction and angle of repose

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  6. What is the angle between frictional force and isntantaneous velocity...

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  7. What is the angle between frictional force and isntantaneous velocity...

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  8. A body is just sliding dwon an inclined plane due to its own weight w...

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  9. Does the force of friction depends on the area of contact

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  10. It is easier to roll barrel than to pull it along the road why

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  11. What is coefficient of static friction?

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  12. What happens to coefficient of friction when weight of the body is do...

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  13. Action and reaction forces do not balance each other . Why ?

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  14. Can you cite a situation where no force acts on a body.

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  15. What are position dependent forces

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  16. Does friction occur in liquid and gases.

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  17. Why is force of limiting friction F(c) greater than force of kineti...

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  18. What is the work done by centripetal force in moving a body throu...

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  19. Can a body in linear motion be in equilibrium.

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  20. Ten one rupee coins are put on top of each other on table each coin ha...

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