{"id":87057,"date":"2025-06-01T04:27:13","date_gmt":"2025-06-01T04:27:13","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=87057"},"modified":"2025-06-01T04:27:13","modified_gmt":"2025-06-01T04:27:13","slug":"the-force-of-buoyancy-on-an-object-floating-on-water-is-f-while-it-is","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/the-force-of-buoyancy-on-an-object-floating-on-water-is-f-while-it-is\/","title":{"rendered":"The force of buoyancy on an object floating on water is F, while it is"},"content":{"rendered":"

The force of buoyancy on an object floating on water is F, while it is S on an object that sinks in water. The weight of both the objects is W. Which one of the following is always true?<\/p>\n

[amp_mcq option1=”F = W and S = 0″ option2=”Both F and S have upward direction” option3=”F has upward direction and S has downward direction” option4=”F = W and S > W” correct=”option2″]<\/p>\n

\n
\n
This question was previously asked in<\/div>\n
UPSC Geoscientist – 2023<\/div>\n<\/div>\n
Download PDF<\/a>Attempt Online<\/a><\/div>\n<\/div>\n
\nThe correct answer is B) Both F and S have upward direction.
\n<\/section>\n
\nThe force of buoyancy is an upward force exerted by a fluid that opposes the weight of an immersed object. It is caused by the pressure difference between the top and bottom of the object. This force always acts vertically upwards, regardless of whether the object is floating or sinking.
\n<\/section>\n
\nFor an object floating on water, the buoyant force (F) is equal to the weight of the object (W), resulting in zero net force and equilibrium. F = W. The object is partially or fully submerged such that the weight of the displaced water equals the object’s weight.
\nFor an object that sinks in water, the buoyant force (S) is less than the weight of the object (W). The net force (W – S) is downward, causing the object to accelerate downwards (sink). S is equal to the weight of the fluid displaced by the fully submerged object. Even though the object sinks, the water still exerts an upward buoyant force on it. Therefore, both F (for floating) and S (for sinking) are upward forces.
\n<\/section>\n","protected":false},"excerpt":{"rendered":"

The force of buoyancy on an object floating on water is F, while it is S on an object that sinks in water. The weight of both the objects is W. Which one of the following is always true? [amp_mcq option1=”F = W and S = 0″ option2=”Both F and S have upward direction” option3=”F … <\/p>\n

Detailed SolutionThe force of buoyancy on an object floating on water is F, while it is<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1091],"tags":[1105,1129,1128],"class_list":["post-87057","post","type-post","status-publish","format-standard","hentry","category-upsc-geoscientist","tag-1105","tag-mechanics","tag-physics","no-featured-image-padding"],"yoast_head":"\nThe force of buoyancy on an object floating on water is F, while it is<\/title>\n<meta name=\"description\" content=\"The correct answer is B) Both F and S have upward direction. The force of buoyancy is an upward force exerted by a fluid that opposes the weight of an immersed object. It is caused by the pressure difference between the top and bottom of the object. This force always acts vertically upwards, regardless of whether the object is floating or sinking.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/exam.pscnotes.com\/mcq\/the-force-of-buoyancy-on-an-object-floating-on-water-is-f-while-it-is\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The force of buoyancy on an object floating on water is F, while it is\" \/>\n<meta property=\"og:description\" content=\"The correct answer is B) Both F and S have upward direction. The force of buoyancy is an upward force exerted by a fluid that opposes the weight of an immersed object. It is caused by the pressure difference between the top and bottom of the object. This force always acts vertically upwards, regardless of whether the object is floating or sinking.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/the-force-of-buoyancy-on-an-object-floating-on-water-is-f-while-it-is\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T04:27:13+00:00\" \/>\n<meta name=\"author\" content=\"rawan239\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"rawan239\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"The force of buoyancy on an object floating on water is F, while it is","description":"The correct answer is B) Both F and S have upward direction. 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