Question

Consider the quantities, pressure, power, energy, impulse, gravitational
potential, electrical charge, temperature, area. Out of these, the only vector
quantities are
(a) Impulse, pressure and area
(b) Impulse and area
(c) Area and gravitational potential
(d) Impulse and pressure

Answer 1

Explanation:

Consider the quantities, pressure, power, energy, impulse, gravitationalpotential, electrical charge, temperature, area. Out of these, the only vectorquantities are (b) Impulse and area

Answer 2

Explanation:

(b) We know that impulse J = F. ∆t = ∆p, where F is force, At is time duration and Ap is change in momentum. As ∆p is a vector quantity, hence impulse is also a vector quantity. Sometimes area can also be treated as vector direction of area vector is perpendicular to its plane.

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