Advertisements
Advertisements
प्रश्न
Is work a scalar or a vector quantity?
Advertisements
उत्तर
Work is a scalar quantity as it has only magnitude.
APPEARS IN
संबंधित प्रश्न
Define 1 J of work.
Define 1 joule of energy.
Name the forms of energy which a wound-up watch spring possesses.
Name the physical quantity whose SI unit is Nm.
Is power a scalar quantity?
(a) Define power and name its unit.
(b) A girl weighting 50 kg climbs up 60 steps each of 20 cm height in 5 minutes. Calculate the power developed.
What do you understand by the term energy? Is energy a scalar or vector? How is the energy possessed by a body measured?
A proton is kept at rest. A positively charged particle is released from rest at a distance d in its field. Consider two experiments; one in which the charged particle is also a proton and in another, a positron. In the same time t, the work done on the two moving charged particles is ______.
