A uniform brick is of size 6 cm xx 8cm x...

A uniform brick is of size `6 cm xx 8cm xx8cm ` and has a mass of 2.5 kg. it is resting with its largest surface on the ground. What is the work that is to be done to bring it to rest on one of its smallest surface ?

Text Solution

Verified by Experts

The correct Answer is:

0.49 J

Topper's Solved these Questions

WORK AND ENERGY
CHHAYA PUBLICATION|Exercise PROBLEM SET -II|47 Videos
WORK AND ENERGY
CHHAYA PUBLICATION|Exercise PROBLEM SET -II (Hots Numerical Problems)|9 Videos
WORK AND ENERGY
CHHAYA PUBLICATION|Exercise EXERCISE (short Answer Type Questions-II)|7 Videos
WBCHSE QUESTION PAPER -2019
CHHAYA PUBLICATION|Exercise SECTION - II ( GROUP -D)|10 Videos

Similar Questions

Explore conceptually related problems

A body of mass 2 kg is moving with a velocity of 8 m/s on a smooth surface. If it is to be brought to rest in 4 s,t hen force to be applied is

A body of mass 2 kg is moving with a velocity of 8 m//s on a smooth surface. If it is to be brought to rest in 4 sec then force to be applied is--------.

The surface area of a body is 25 cm^2 and its surface density of charge is 5 CGS unit. What is the total charge on it?

The slant height of a right circular cone is 3 times of its radius of base . If the whole surface area of the cone be 50.24 sq-cm, then what will be the height of the cone ?

The surface area of a body is 10 cm^2 and its surface density of charge is 0.4 unit/ cm^2 . What is the total charge on it?

A hollow metal sphere of radius 5 cm is charged such that potential on its surface is 10V. What is the potential at the center of the sphere?

A plano-concave lens is made of glass of refractive index 1.5 an the radius of curvature of its curved surface is 50 cm. What is the power of the lens?

The volume of a cylinder is 308 cm ^(3) . Its heights is 8cm . Find its lateral surface area and total surface area.

The radius of the earth is 6.38 xx10^8 cm. its mean density is 5.5 g*cm ^(-3) and the universal gravitational constant is 6.67xx10^(-8) CGS unit. What is the gravitational potential at any point on the earth's surface ?

A body of mass 1 kg is thrown with a velocity of 250 cm *s^(-1) , from a height 8m above the earth's surface . What will be its kinetic energy just before it touches the ground ?

CHHAYA PUBLICATION-WORK AND ENERGY-PROBLEM SET -I

Using a rope , a block of mass M is lowered through a height d with a ...
Text Solution
|
A block , weighing 25.51 kg, was pulled with uniform velocity along a ...
Text Solution
|
A uniform brick is of size 6 cm xx 8cm xx8cm and has a mass of 2.5 kg...
Text Solution
|
Mass of a rod of length 4m is 3 kg. Its centre of gravity is 1.5 m fr...
Text Solution
|
An object of mass 25 g is under water at a depth of 50 cm . Relative ...
Text Solution
|
A constant force vecF =(-hati+2hatj+3hatk) N acts on a body. How much ...
Text Solution
|
A force vecF =(2hati-6hatj)N is applied on a body which is sliding ove...
Text Solution
|
A particle moves from position vecr1=2hati+3hatj to position vecr2=3ha...
Text Solution
|
The relation between the displaement x and the time t for a body of ma...
Text Solution
|
A man pushes a roller with a force of 60N through a distance of 30 m. ...
Text Solution
|
A rain drop of radius 2mm falls from a height of 250 m above the groun...
Text Solution
|
A boy of mass 20 kg , moved up to the top of a building of height 18 ...
Text Solution
|
A man of mass 60 kg , climbed 20 steps in 10 s carrying load of 20 kg ...
Text Solution
|
Against an average pressure of 10 cm of mercury, a human heart pumps 5...
Text Solution
|
Time taken by man of weight 580 N to climb up to the top of a towar 8...
Text Solution
|
A pump lifts 5000kg of water per minute through a height of 12m. Find ...
Text Solution
|
An engine can eject 6000 kg of water upwards at 15 m*s^(-1), in 1 min ...
Text Solution
|
The engine of a train has to apply a force of 5000 N to overcome frict...
Text Solution
|
A water pump raises water at a rate of 0.50 m^3// min from a depth of ...
Text Solution
|
A electric motor creates a tension of 4500 N a hoisting cable and reel...
Text Solution
|