Advertisements
Advertisements
प्रश्न
Name the physical quantity which is equal to the energy of a body.
एक शब्द/वाक्यांश उत्तर
Advertisements
उत्तर
Work
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Can there be displacement of an object in the absence of any force acting on it? Think. Discuss this question with your friends and teacher.
Define the term energy.
What are the two kinds of mechanical energy?
A weight lifter lifted a load of 200 kgf to a height of 2.5 m in 5 s. Calculate:
- the work done, and
- the power developed by him. Take g = 10 N kg-1
What are the units of (a) work, and (b) energy?
Name the physical quantity whose SI unit is Nm.
What is the work done by the gravitational force of the earth on a satellite revolving around the earth?
Name four different forms of energy.
A bullet is of mass 'm' g and is moving with a velocity 'v' m/s. Find the kinetic energy of the bullet when
(a) The mass is doubled,
(b) The velocity is tripled.
State the energy changes which take place when A stone dropped from the top of a cliff reaches the ground after some time.
