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प्रश्न
What are the two kinds of mechanical energy?
What are the two forms of mechanical energy?
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उत्तर
Two kinds/forms of mechanical energy:
- The Potential Energy (P.E.)
- The Kinetic Energy (K.E.)
संबंधित प्रश्न
An object thrown at a certain angle to the ground moves in a curved path and falls back to the ground. The initial and the final points of the path of the object lie on the same horizontal line. What is the work done by the force of gravity on the object?
Write the expression for work done by a force.
When is work said to be done by a force?
Find the kinetic energy of a body of mass 1 kg moving with a uniform velocity of 10 m s-1.
State the law of conservation of energy.
Fill in the blank with suitable word :
Work is measured as a product of __________ and __________
The work done by a force acting obliquely is given by the formula : W = F cos θ ✕ s. What will happen to the work done if angle θ between the direction of force and motion of the body is increased gradually? Will it increase, decrease or remain constant.
The work done on an object does not depend on the :
Its moment of a force scalar or a vector quantity?
Can work done be zero even if force acts on the body?
Can two agents, doing the same work, have different power?
State larger units of power.
The weights of two bodies are 2.0 N and 2.0 kgf respectively what is the mass of each body?
If a ball is dropped on the sloping roof of a house, it acquires ______ and falls on the ground. That is the transformation of ______ energy into ______ energy takes place.
(kinetic, potential, motion)
