Advertisements
Advertisements
प्रश्न
Define the following:
Law of conservation of energy
Advertisements
उत्तर
The law of conservation of energy states that energy can neither be created nor destroyed. It may be transformed from one form to another but the total energy of an isolated system remains constant.
APPEARS IN
संबंधित प्रश्न
Discuss the reforms which have been initiated recently to meet the energy crisis in India.
If the potential energy of the particle is `α - β/2x^2`, then the force experienced by the particle is ______
A particle is placed at the origin and a force F = kx is acting on it (where k is a positive constant). If U(0) = 0, the graph of U(x) versus x will be (where U is the potential energy function)
A particle that is constrained to move along the x-axis, is subjected to a force in the same direction which varies with the distance x of the particle from the origin as F(x) = -kx + ax3. Here, k and a are positive constants. For x ≥ 0, the functional form of the potential energy U(x) of the particle is ______
Write the differences between conservative and Non-conservative forces. Give two examples each.
Define the following:
loss of kinetic energy in an inelastic collision.
A bob of mass m is attached to one end of the rod of negligible mass and length r, the other end of which is pivoted freely at a fixed center O as shown in the figure. What initial speed must be given to the object to reach the top of the circle? (Hint: Use law of conservation of energy). Is this speed less or greater than the speed obtained in section 4.2.9?
Which of the following sector was the largest consumer of commercial energy in 1953-54?
Which of the following is a non-conventional source of energy?
Why infrastructure needs to be upgraded?
