(18) The weight of 50 kg mass is ……….. .
(19) The nuclear force is a ……. range force.
(20) The ratio of mass to volume is defined as ……… .
(21) The density of ice is ……….. than that of water.
(22) The symbol of density is ρ and it is a …….. quantity.
(23) The SI unit for pressure is …….. .
An accelerated body is one whose velocity is _____ .
(3) The unit 〖cm s〗^(-1)is the unit of _____ .
(4) If a body starts from rest , its initial velocity is _____ .
(5) The unit of speed and velocity are the _____ .
(6) If the starting point and the end point are the same