The relative density of a body weighing 20N in air is 4. It's weight in water is
A) 5N
B)10N
C)15N
D)20N
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The relative density of a body weighing 20N in air is 4. It's weight in water is
A) 5N
B)10N
C)15N
D)20N
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Answer:
Weight in water = 15 N
Explanation:
Weight in water = Weight in Air - Upward Force in Water
Now, Upward Force in water = M / ρ = 20 / 4 = 5 N
Weight in water = 20 N - 5 N
Weight in water = 15 N
Answer:
C. 15N is your correct answer.....