Advertisements
Advertisements
Question
A body of weight W is floating in a liquid. Its apparent weight will be
Options
Equal to W
Less than W
Greater than W
Zero
Advertisements
Solution
A body of weight W is floating in a liquid. Its apparent weight will be Zero
APPEARS IN
RELATED QUESTIONS
Draw a diagram to show the forces acting on a body floating in water with its some part submerged. Name the forces and show their points of application. How is the weight of water displaced by the floating body related to the weight of the body itself?
A block of wood is so loaded that it just floats in water at room temperature. What change will occur in the state of floatation, if
(a) Some salt is added to water, (b) Water is heated?
Give reasons.
Why is the floating ice less submerged in brine than in water?
A piece of ice floating in a glass of water melts, but the level of water in the glass does not change.
Give reasons.
Hint: Ice contracts on melting.
A test tube weighing 17 gf, floats in alcohol to the level P. When the test tube is made to float in water to the level P, 3 gf of the lead shots are added in it. find the R.D. of alcohol.
Why does a helium balloon float in air?
Assertion: To float, body must displace liquid whose weight is equal to the actual weight.
Reason: The body will experience no net downward force in that case.
Hydrometer is based on the principle of ______.
Assertion (A): Lactometer is used to check the purity of milk.
Reason (R): Lactometer measures the cream content of milk.
