Advertisements
Advertisements
प्रश्न
A uniform force of `(2hati + hatj)` N acts on a particle of mass 1 kg. The particle displaces from position `(3hatj + hatk)` m to `(5hati + 3hatj)` m. The work done by the force on the particle is ______
विकल्प
9 J
6 J
10 J
12 J
Advertisements
उत्तर
A uniform force of `(2hati + hatj)` N acts on a particle of mass 1 kg. The particle displaces from position `(3hatj + hatk)` m to `(5hati + 3hatj)` m. The work done by the force on the particle is 10 J.
APPEARS IN
संबंधित प्रश्न
What do you mean by transmission and distribution losses? How can they be reduced?
Justify that energy crisis can be overcome with the use of renewable sources of energy.
How has the consumption pattern of energy changed over the years?
What problems are being faced by the power sector in India?
Explain the various sources of energy in Tamil Nadu.
The potential energy of a system increases, if work is done ______
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 various types of potential energy. Explain the formulae.
Define the following:
Law of conservation of energy
The power generated from water is called ______.
