Which of the following correctly defines the term Speed? it is the total displacement made in certain time it is the least displacement made in one second it is the total distance covered per unit time none of these. Unit of velocity is newton second / metre joule metre / second. As a bus starts moving we tend to fall back. This is because of which law Newtons third law Newtons second law Newtons first law None of these law applies to this case. we are able to stand on ground can be explained based on which law? Newtons first law Newtons second law Newtons third law None of these law. Can acceleration be negative yes always no never sometimes depending on situation acceleration has nothing to do with positive or negative sign. To measure diameter of thin wire which of the following instrument will be most appropriate A scale Vernier calliper Screw gauge none of these. To measure thick thickness of your text book which of the following instrument will be most appropriate A scale Vernier calliper Screw gauge none of these. If two forces of 2N and 3N are acting along same direction then what would be the net force? zero 1N -1N 5n. if two forces of 4N each are acting on opposite direction then what would be the net force? 8N 0 [Zero] -4N 4N. What is the unit of current? joule watt ampere volts.
