Chapter 6 – Work, Energy and Power
A block of mass 1 kg is projected with initial velocity (V0) of 10 m/s on a rough inclined surface. The block moves up and come back to its initial position and stops. Find the work done by the friction on the block.
28
Oct
A block of mass 1 kg is projected with initial velocity (V0) of 10 m/s on a rough inclined surface. The block moves up and come back to its initial position and stops. Find the work done by the friction on the block. The work done by a force F→=(−6x^3iˆ) N in displacing a particle [...]
A block of mass 1 kg moves along x axis with variable velocity v=3t^2(m/s) . Find the net work done on the block from t=1s to t=2s.
28
Oct
A block of mass 1 kg moves along x axis with variable velocity v=3t^2(m/s) . Find the net work done on the block from t=1s to t=2s. A block of mass 1 kg moves along x axis with variable velocity v=3t^2(m/s) . Find the net work done on the block from t=1s to t=2s. October [...]
A 10 kg block is pulled in the vertical plane along a frictionless surface in the form of an arc or a circle of radius 10m. The applied force is of 200 N as shown in the figure. If the block started from rest at A, the velocity at B would be: (g = 10 m/s^2 )
28
Oct
A 10 kg block is pulled in the vertical plane along a frictionless surface in the form of an arc or a circle of radius 10m. The applied force is of 200 N as shown in the figure. If the block started from rest at A, the velocity at B would be: (g = 10 [...]
A particle of mass m is projected at an angle α to the horizontal with an initial velocity u. The work done by gravity during the time it reaches its highest point is
28
Oct
A particle of mass m is projected at an angle α to the horizontal with an initial velocity u. The work done by gravity during the time it reaches its highest point is A particle of mass m is projected at an angle α to the horizontal with an initial velocity u. The work done [...]
A particle starts from origin and moves along a parabolic path whose equation is y=x^2 in the presence of a no. of forces. one of the forces acting on the particle is F=(xî-4zk cap )N. Find work done by this force F when the particle moves from the origin to x = 2m.
28
Oct
A particle starts from origin and moves along a parabolic path whose equation is y=x^2 in the presence of a no. of forces. one of the forces acting on the particle is F=(xî-4zk cap )N. Find work done by this force F when the particle moves from the origin to x = 2m. The work [...]
A large slab of mass 5kg lies on a smooth horizontal surface, with a block of mass 4kg lying on the top of it. The coefficient of friction between the block and the slab is 0.25. If the block is pulled horizontally by a force of F =6N, the work done by the force of friction on the slab, between the instants t=2s and t=3s, is (g=10ms^−2)
28
Oct
A large slab of mass 5kg lies on a smooth horizontal surface, with a block of mass 4kg lying on the top of it. The coefficient of friction between the block and the slab is 0.25. If the block is pulled horizontally by a force of F =6N, the work done by the force of [...]
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A large slab of mass 5kg lies on a smooth horizontal surface ,
between the instants t=2s and t=3s ,
is (g=10ms^−2) ,
the work done by the force of friction on the slab ,
with a block of mass 4kg lying on the top of it. The coefficient of friction between the block and the slab is 0.25. If the block is pulled horizontally by a force of F =6N ,
A triangular block is moving horizontally with constant velocity v0. A small block A of mass m is fixed on the triangular block. The work done by friction on the block A in time t will be:
28
Oct
A triangular block is moving horizontally with constant velocity v0. A small block A of mass m is fixed on the triangular block. The work done by friction on the block A in time t will be: A triangular block is moving horizontally with constant velocity v0. A small block A of mass m is [...]
A block of mass 5 kg slides down on an inclined plane of inclination 30 degree from a height of 10 m from the ground. The coefficient of friction between the block and the inclined plane is 0.5. Find the work done by friction on the block.
28
Oct
A block of mass 5 kg slides down on an inclined plane of inclination 30 degree from a height of 10 m from the ground. The coefficient of friction between the block and the inclined plane is 0.5. Find the work done by friction on the block. A force F acting on a body depends [...]
A block of mass 20 kg is moving on a smooth surface by pulling through a light string of tension 10 root2 N. Find the work done by string on the block for a displacement of 2 m along the surface.
28
Oct
A block of mass 20 kg is moving on a smooth surface by pulling through a light string of tension 10 root2 N. Find the work done by string on the block for a displacement of 2 m along the surface. A block of mass 20 kg is moving on a smooth surface by pulling [...]
The work done by a force F→=(−6x^3iˆ) N in displacing a particle from x = 4m to x = – 2m is
28
Oct
The work done by a force F→=(−6x^3iˆ) N in displacing a particle from x = 4m to x = – 2m is The work done by a force F→=(−6x^3iˆ) N in displacing a particle from x = 4m to x = - 2m is October 28, 2020 Category: Chapter 6 - Work, Energy and Power [...]