(A) v2/r
(B) g2/r
(C) ma
(D) mv2/r
Unit of viscosity is?
(A) kgms-2
(B) kgm-1s-1
(C) kgm2s
(D) kgm2s2
Least count of screw guage is?
(A) 0.1mm
(B) 0.001mm
(C) 1mm
(D) None of the above
What is the unit of power?
(A) Joule
(B) Metre
(C) Newton
(D) Watt
A satellite is revolving round the earth in a circular orbit. If the radius of the orbit is increased from R to 2R, its velocity will be?
(A) v/√2
(B) 2v
(C) v/2
(D) v2
According to the second condition of equilibrium __ =0
(A) ∑F
(B) ∑T
(C) ∑Fx
(D) ∑Fy
Pressure is a ___ quantity.
(A) Vector
(B) Scalar
(C) Base
(D) None of the above
The weight of a body of 20 kg mass is ___ newton on earth.
(A) 15
(B) 30
(C) 100
(D) 200