MyQuestionIcon

10

You visited us 10 times! Enjoying our articles? Unlock Full Access!

Applying NLM along 3 Axis

In which of t...

Question

In which of the following cases , the net force is zero?
I) A ball freely falling from a certain height
II) A cork floating on the surface of water
III) An object floating in air

A

I and II only

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

II and III only

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

C

III and I only

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

I, II and III

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B II and III only
$\begin{matrix} In first case gravity is there so net fore is not zero? while in others it is balanced by buoyancy of air and liquid. so net force is zero in II, I I I case so Ans is (B). \end{matrix}$

Suggest Corrections

thumbs-up

0

Similar questions

Q. For an isosceles triangle having base b and each of the equal sides as a, we have:
I.

Area = \frac{b \cdot \sqrt{4 a^{2} - b^{2}}}{4}

II. Perimeter = (2a + b)
III.

Height = \frac{1}{2} \sqrt{4 a^{2} - b^{2}}

Which of the following is true?
(a) I only
(b) I and II only
(c) II and III only
(d) I, II and III

Q. A cork of mass

10 g

is floating on water. Net force on the cork is: -

Q. A cork ball is floating on the surface of water in a beaker. The beaker is covered with a bell jar and the air is evacuated. What will happen to the ball?

Q. In the case of noble gases, the following trend

X e > K r > A r > N e > H e

is correct for: i) boiling point ii) solubility in water iii) ionization enthalpy iv) ease of liquefaction.

Q. A pyramid is labelled W,X,Y, and Z. Each alphabet appears only once on its four outer equilateral triangular faces. The diagram shows a net of the solid given in the figures (i) to (iv).

Which of the following can be a solid of the folded net with base X?

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Losing Weight Using Physics

PHYSICS

Watch in App

explore_more_icon

Explore more

Applying NLM along 3 Axis

Standard XII Physics

Join BYJU'S Learning Program

CrossIcon