Home
Class 12
PHYSICS
A block rests on a rough inclined plane ...

A block rests on a rough inclined plane as shown in figure. A horizontal force F is applied to it-

(a) Reaction on the block is `Fsintheta+mgcostheta`
(b) Frictional force is zero when `Fcostheta=mgsintheta`
(c) The value of limiting friction in `mu(mgsintheta+Fcostheta)`
(d)The value of limiting friction is `mu(mgsintheta-Fcostheta)`

A

a, b

B

c, d

C

b, d

D

b, c

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • NEWTON'S LAWS OF MOTION & FRICTION

    MOTION|Exercise Exercise - 2 SECTION-A:- String Constrained, Wedge Constrained, Newtons Law theory Question, Equillibrium Questions (Normal and Tension), Problems with Acceleration (F=ma), Wedge problems|23 Videos
  • NEWTON'S LAWS OF MOTION & FRICTION

    MOTION|Exercise Exercise - 2 SECTION-B :- Pulley Block System|7 Videos
  • NEWTON'S LAWS OF MOTION & FRICTION

    MOTION|Exercise Exercise - 1 SECTION-E:- Static friction, Kinetic friction|13 Videos
  • MODERN PHYSICS -1

    MOTION|Exercise EXERCISE-4 ( LEVEL- II)|39 Videos
  • NLM & FRICTION

    MOTION|Exercise EXERCISE-4 ( LEVEL-II)|15 Videos

Similar Questions

Explore conceptually related problems

A block rests on a fixed rough inclined place and a horizontal force F is applied to it, as shown in the figure. Which of the following statements are correct? (A) Normal reaction on the block is Fsintheta+mgcostheta (B) The friction force is zero when Fcostheta=mgsintheta (C) The value of limiting friction is mu(mgsintheta+Fcostheta) (D) The value of limiting friction is mu(mgsintheta-Fcostheta)

A block rest on a rough inclined plane as shown in fig. A horizontal force F is applied to it (a) Find out the force of reaction, (b) Can the force of friction be zero if yes when? And (c) Assuming that fricition is not zero find its magnitude and direction of its limiting value.

A block rests on a rough inclined plane as shown in Fig. 7.93 . A horizontal force is applied to it . (a) Find out the force of reaction . (b) Can the force of friction be zero ? If yes , when ? (c) Assuming that , friction is not zero , find it magnitude and the direction of its limiting value .

A block of mass m is at rest on a rough inclined plane, whose friction coefficient is mu. Net force exerted by surface on block is :-

A block rests on a rough inclined plane making an angle of 30° with the horizontal. The coefficient of static friction between the block and inclined plane is 0.8. If the frictional force on the block is 10 N, the mass of the block is

A block is placed on a rough horizontal plane. Three horizontalforces are applied on the block as shown in the figure. If the block is in equilibrium, find the friction force acting on the block.

A block of mass 2kg rests on a rough inclined plane making an angle of 30^@ with the horizontal. The coefficient of static friction between the block and the plane is 0.7. The frictional force on the block is

A triangular block of mass m rests on a fixed rough inclined plane having friction coefficient mu with the block. A horizontal forces F is applied to it as shown in figure below, then the correct statements is:

A block rests on a rough inclined plane making an angle of 30^@ with the horizontal. The coefficient of static friction between the block and the plane is 0.8. If the frictional force on the block is 10N, the mass of the block (in kg) is