General Knowledge Question-Answer for all types of competition exams

 

·       The mass of an object- remains same everywhere.

·       A cannon ball is fired… the motion of this ball is example of- projectile motion.

·       If a body slides over a surface, the force resisting the motion between them is called- friction.

·       A large force on a rotating body results in larger- torque.

·       Purity of metal can be determined with the help of- Archimedes Principle.

·       When bus starts suddenly, then the passenger in the bus tends to fall backwards- Inertia of rest.

·       Most viscous liquid- Oil.

·       A spherical ball made of steel when dropped in mercury container will be – partly immersed.

·       Contact force is also known as- Friction.

·       SI unit of acceleration- m/s²

·       Newton’s first law of motion gives the concept of – Inertia.

·       Wall of dam is broader at base- to withstand pressure that increases with depth.

·       Surface tension of water on adding detergent to it- decreases.

·       A single fixed pulley is used to draw water from a well because- force is applied in convenient direction.

·       Water from soil enters into the root hair owing to- osmotic pressure.

·       A liquid drops tends to assume spherical shape because of surface tension.

·       When a piece of a stone is immersed in water it displaces water of equal to its- weight.

·       Washing machine works on the principle of- centrifugal force.

·       If cream is removed from milk, its density- increases.

·       Which principle explains the working of hydraulic breaks in automobiles- Pascal’s Law.

·       In science push or pull of an object is called- force.