1.

State whether the following statements are True or False:(i) Pressure due to a given force is directly proportional to the area on which the force acts.(ii) When a body is completely immersed in a liquid, the buoyant force acting on it due to the liquid is proportional to the volume of the liquid displaced by the body.(iii) The density of a material is useful to determine its purity.(iv) One tends to slip over a banana peel on the street and one can slip due to mud are events that occur due to reduced friction.(v) Frictional force is electromagnetic in origin.

Answer»

(i) False. (Pressure due to a given force is inversely proportional to the area on which the force acts.)

(ii) True.

(iii) True.

(iv) True.

(v) True.



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