A block of mass 2 kg is kept on a rough ...

A block of mass 2 kg is kept on a rough horizontal floor an pulled with a force F. If the coefficient of friction is `0.5.` then the minimum force required to move the block is :-

10 N

`100/11 N`

`100/8 N`

20 N

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

NEWTON'S LAWS OF MOTION & FRICTION
ALLEN|Exercise EXERCISE (O-2)|31 Videos
NEWTON'S LAWS OF MOTION & FRICTION
ALLEN|Exercise EXERCISE (JM)|6 Videos
NEWTON'S LAWS OF MOTION & FRICTION
ALLEN|Exercise EXERCISE (S-2)|9 Videos
MOTION IN A PALNE
ALLEN|Exercise SOLVED EXAMPLE|28 Videos
NEWTONS LAWS OF MOTION
ALLEN|Exercise EXERCISE-III|28 Videos

Similar Questions

Explore conceptually related problems

A block of mass m=1/3 kg is kept on a rough horizontal plane. Friction coefficient is mu=0.75 . The work done by minimum force required to drag to the block along the plane by a distance 5m is :-

A block of mass m=5kg is resting on a rough horizontal surface for which the coefficient of friction is 0.2 . When a force F=40N is applied, the acceleration of the block will be (g=10m//s^(2)) .

A body of mass 10 kg is lying on a rough plane inclined at an angle of 30^(@) to the horizontal and the coefficient of friction is 0.5. the minimum force required to pull the body up the plane is

A block of mass m is placed on a rough horizontal surface. If minimum force to pull the block is (mg)/(2) then coefficient of friction is :

A block of mass 1 kg is held at rest against a rough vertical surface by pushing by a force F horizontally. The coefficient of friction is 0.5. When

A block of mass 2 kg is pushed against a rough vertical wall with a force os 40 N. Coefficient of static friction being 05. Another horizontal force is 15 N, is applied on the block in a direction paralle to the wall. Will the block move? If yes in which direction? If no, find the frictional force exerted by the wall on the block.

A force F is acting at an angle theta with horizontal on a block of mass 12 kg placed on a rough 3 horizontal surface having coefficient of friction mu=3/ 4 as shown in the figure. The minimum value of force F to just move the block will be (g = 10 ms^-2)

A block of mass m rests on a horizontal floor for which coefficient of friction is mu . Find the magnitude and the direction of force that should be applied to just move the block so that the applied force is minimum.

A block of mass 4 kg is kept on a rough horizontal surface. The coefficient of static friction is 0.8. If a force of 19 N is applied on the block parallel to the floor, then the force of friction between the block and floor is

A block of mass 2 kg, initially at rest on a horizontal floor, is now acted upon by a horizontal force of 10 N . The coefficient of friction between the block and the floor is 0.2. If g = 10 m//s^(2) , then :

ALLEN-NEWTON'S LAWS OF MOTION & FRICTION-EXERCISE (O-1)

Block A is moving away from the wall at a speed v and acceleration a.
Text Solution
|
In the setup shown, fird acceleration of the block C.
Text Solution
|
A block of mass 2 kg is kept on a rough horizontal floor an pulled wit...
Text Solution
|
In the figure shown a ring of mass M and a block of mass m are in equi...
Text Solution
|
A force barF=hati+4hatj acts on block shown. The force of friction act...
Text Solution
|
Block B of mass 100 kg rests on a rough surface of friction coeffcient...
Text Solution
|
A block of mass 3kg is at rest on a rough inclined plan as shown in th...
Text Solution
|
A block of mass m=2kg is resting on a rough inclined plane of inclinat...
Text Solution
|
In the figure shown if friction coefficient of block 1kg and 2kg with ...
Text Solution
|
A block is pushed with some velocity up a rough inclined plane. It sto...
Text Solution
|
A system is pushed by a force F as shown in figure All surfaces are sm...
Text Solution
|
Refer the system shown in the figure. Block is siding down the wedge. ...
Text Solution
|
A block of mass 1 kg is held at rest against a rough vertical surface ...
Text Solution
|
A block is kept on a rough horizontal surface as shown. Its mass is 2 ...
Text Solution
|
The mass in the figure can slide on a frictionless surface. When the m...
Text Solution
|
A carpenter of mass 50 kg is standing on a weighing machine placed in ...
Text Solution
|
In the system in the figure m(1)gtm(2) system is held at rest by threa...
Text Solution
|
A uniform rope of mass (m) and length (L) placed on frictionless horiz...
Text Solution
|
A uniform rope of mass (m) and length (L) placed on frictionless horiz...
Text Solution
|
A uniform rope of mass (m) and length (L) placed on frictionless horiz...
Text Solution
|