Advertisements
Advertisements
Question
Is pressure a vector quantity?
Solution
Pressure is a scalar quantity.
APPEARS IN
RELATED QUESTIONS
What do you mean by buoyancy?
The S.I. unit of density is ..........
Describe an experiment to determine the density of the material of a coin.
Why is the tip of an allpin made sharp?
(i) The diameter of neck and bottom of a bottle are 2 cm and 10 cm, respectively. The bottle is completely filled with oil. If the cork in the neck is pressed in with a force of 1.2 kgf, what force is exerted on the bottom of the bottle?
(ii) Name the law/principle you have used to find the force in part (a).
Define upthrust and state its S.I. unit.
Complete the following sentence :
Two balls, one of iron and the other of aluminium experience the same upthrust when dipped completely in water if _____________ .
Prove that the loss in weight of a body when immersed wholly or partially in a liquid is equal to the buoyant force (or upthrust) and this loss is because of the difference in pressure exerted by liquid on the upper and lower surfaces of the submerged part of body.
Select the correct option:
When a body is wholly or partially immersed in a liquid, it experiences a buoyant force which is equal to:
The center of gravity of the floating body and the center of buoyance are in the same ______ line.