Chapter 8 – Work, Energy and Power
Sahay Sir > Question Answers > Cengage NEET by C.P Singh > Part 1 > Chapter 8 - Work, Energy and Power
A particle is moving along the x-axis and force acting on it is given by F=F0 sinω N, where ω is a constant. The work done by the force from x=0 to x=2 will be
21
Oct
A particle is moving along the x-axis and force acting on it is given by F=F0 sinω N, where ω is a constant. The work done by the force from x=0 to x=2 will be A particle is moving along the x-axis and force acting on it is given by F=F0 sinω N where ω [...]
A particle of mass m moves on a straight line with its velocity varying with the distance travelled according to the equation v=ax−−√, where a is a constant. Find the total work done by all the forces during a displacement from x=0→x=d.
21
Oct
A particle of mass m moves on a straight line with its velocity varying with the distance travelled according to the equation v=ax−−√, where a is a constant. Find the total work done by all the forces during a displacement from x=0→x=d. A particle of mass m moves on a straight line with its velocity [...]
The displacement x of a particle of mass m kg moving in one dimension, under the action of a force, is related to the time t by the equation t=4x+3 where x is in meters and t is in seconds. The work done by the force in the first six seconds in joules is
21
Oct
The displacement x of a particle of mass m kg moving in one dimension, under the action of a force, is related to the time t by the equation t=4x+3 where x is in meters and t is in seconds. The work done by the force in the first six seconds in joules is is [...]
A force acts on a 30.g particle in such a way that the position of the particle as a function of time is given by x=3t−4t^2+t^3, where x is in meters and t in second. The work done during the first 4s is
21
Oct
A force acts on a 30.g particle in such a way that the position of the particle as a function of time is given by x=3t−4t^2+t^3, where x is in meters and t in second. The work done during the first 4s is A force acts on a 30.g particle in such a way that [...]
Work done from d = 0 m to d = 3 m
21
Oct
Work done from d = 0 m to d = 3 m Work done from d = 0 m to d = 3 m October 21, 2020 Category: Cengage NEET by C.P Singh , Chapter 8 - Work, Energy and Power , Part 1 ,
If W1 ,W2 and W3 represent the work done in moving a particle from A to B along three different paths 1,2 and 3 respectively (as shown) in a gravitational field of point mass m, then find the correct relation between W1,W2 and W3 .
21
Oct
If W1 ,W2 and W3 represent the work done in moving a particle from A to B along three different paths 1,2 and 3 respectively (as shown) in a gravitational field of point mass m, then find the correct relation between W1,W2 and W3 . 2 and 3 respectively (as shown) in a gravitational [...]
The two blocks in an Atwood machine have masses 2.0 kg and 3.0 kg. The work done by gravity during the fourth second after the system is released from rest.
21
Oct
The two blocks in an Atwood machine have masses 2.0 kg and 3.0 kg. The work done by gravity during the fourth second after the system is released from rest. The two blocks in an Atwood machine have masses 2.0 kg and 3.0 kg. The work done by gravity during the fourth second after the [...]
A block of mass 10kg is placed on a rough surface inclined plane of inclination 37^∘ with horizontal. Now the block is released . The work done by the gravitational force and friction force, when the block moves from A to B(sin37^∘ = 0.6, cos37^∘ = 0.8)
21
Oct
A block of mass 10kg is placed on a rough surface inclined plane of inclination 37^∘ with horizontal. Now the block is released . The work done by the gravitational force and friction force, when the block moves from A to B(sin37^∘ = 0.6, cos37^∘ = 0.8) A block of mass 10kg is placed on [...]
A man displaces a block by 5 m on a rough surface (μ=(1)/(2)) by applying a force 50 N acting at 37^∘ to the horizontal the work done by the applied force is
21
Oct
A man displaces a block by 5 m on a rough surface (μ=(1)/(2)) by applying a force 50 N acting at 37^∘ to the horizontal the work done by the applied force is A man displaces a block by 5 m on a rough surface (μ=(1)/(2)) by applying a force 50 N acting at 37^∘ [...]
A force F=−K(yiˆ+xjˆ) (where K is a positive constant) acts on a particle moving in the x-y plane. Starting from the origin, the particle is taken along the positive x-axis to the point (a,0), and then parallel to the y-axis to the point (a,a). The total work done by the force F on the particle is
21
Oct
A force F=−K(yiˆ+xjˆ) (where K is a positive constant) acts on a particle moving in the x-y plane. Starting from the origin, the particle is taken along the positive x-axis to the point (a,0), and then parallel to the y-axis to the point (a,a). The total work done by the force F on the particle [...]
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0 ) ,
A force F=−K(yiˆ+xjˆ) (where K is a positive constant) acts on a particle moving in the x-y plane. Starting from the origin ,
a). The total work done by the force F on the particle is ,
and then parallel to the y-axis to the point (a ,
the particle is taken along the positive x axis to the point (a ,