A block rests on a rough inclined plane ...

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

1 kg

2 kg

3 kg

4 kg

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

FRICTION IS SOLIDS AND LIQUIDS
TARGET PUBLICATION|Exercise MCQ (EVALUATION TEST)|21 Videos
FRICTION IS SOLIDS AND LIQUIDS
TARGET PUBLICATION|Exercise MCQ (CRITICAL THINKING)|66 Videos
FORCE
TARGET PUBLICATION|Exercise Evaluation Test|18 Videos
Gravitation
TARGET PUBLICATION|Exercise Exercise|273 Videos

Similar Questions

Explore conceptually related problems

A block of mass m=2kg is resting on a rough inclined plane of inclination plane of inclination 30^(@) as shown in figure. The coefficient of friction between the block and the plane is mu=0.5 . What minimum force F should be applied perpendicular to the plane on the block, so that blocks does not slip on the plane? (g=10m//s^(2))

The coefficient of static friction between a block of mass 0.25 kg and a horizontal surface is 0.4. Find the horizontal force applied to it.

The coefficient of static friction between a block of mass 0.25 kg is 0.4. Calculate the force applied to it. (g = 9.8m//s^2)

A body of mass 10kg is placed on a smooth inclined plane making an angle of 30^(@) with the horizontal, the component of the force of gravity trying to move the body down the inclined plane is [g=9.8m//s^(2)]

Given in figure are two blocks A and B of weight 20N and 100N, respectively. These are being pressed against a wall by a force F as shown. If the coefficient of friction between the blocks is 0.1 and between block B and the wall is 0.15, the frictional force applied by the wall on block B is:

A block of mass M is pulled along a horizontal surface by applying a force at angle theta with the horizontal. The friction coefficient between the block and the surfasce is mu . If the block travels at a uniform velocity, find the work donen by this applied force during a displacement d of the blcok.

A block of mass 2kg is kept on the floor. The coefficient of static friction is 0.4 . If a force F of 2.5N is applied on the block as shown in the figure, the frictional force between the block and the floor will be.

A rough vertical board has an acceleration a so that a 2 kg block pressing against it dows not fall. The coefficient of friction between the block and the board should be

The coefficient of friction between m_(2) and inclined plane is mu (shown in the figure). If (m_(1))/(m_(2))=sin theta then

TARGET PUBLICATION-FRICTION IS SOLIDS AND LIQUIDS -MCQ (COMPETITIVE THINKING)

Maximum acceleration of the train in which a 50 kg box lying on its fl...
Text Solution
|
A block B is pushed momentarily along a horizontal surface with an ini...
Text Solution
|
A block rests on a rough inclined plane making an angle of 30^@ with t...
Text Solution
|
A wooden box of mass 8kg slides down an inclined plane of inclination ...
Text Solution
|
A wooden box lying at rest on an inclined surface of a wet wood is hel...
Text Solution
|
What is the maximum value of the force F such that the block shown in ...
Text Solution
|
A system consists of three masses m(1),m(2) " and " m(3) connected by ...
Text Solution
|
Maximum value of static friction is .
Text Solution
|
Which of the following statements is incorrect ?
Text Solution
|
A body of mass M is kept n a rough horizontal surfasce (friction coeff...
Text Solution
|
Consider a frictionless ramp on which a smooth object is made to side ...
Text Solution
|
Block B lying on a table weighs w. The coefficient of static friction ...
Text Solution
|
A heavy uniform chain lies on a horizontal table-top. If the coefficie...
Text Solution
|
A block A with mass 100kg is resting on another block B of mass 200kg....
Text Solution
|
A block of mass 2kg is kept on the floor. The coefficient of static fr...
Text Solution
|
Given in figure are two blocks A and B of weight 20N and 100N, respect...
Text Solution
|
A block of mass m is lying on horizontal surface of coefficient of fri...
Text Solution
|
A marble block of mass 2 kg lying on ice when given a velocity of 6m//...
Text Solution
|
A block of mass m(2) is placed on a horizontal table and another block...
Text Solution
|
A block of mass m=5kg is resting on a rough horizontal surface for whi...
Text Solution
|