A particle of mass m attached to an inextensible light string is m | Filo

DOWNLOAD APPMICRO CLASSPDFsBLOGBECOME A TUTORHOME

HOME BECOME A TUTOR BLOG PDFs MICRO CLASS DOWNLOAD APP

Class 11 Physics Mechanics Mechanical Properties of Fluids

A particle of mass

m

attached to an inextensible light string is moving in a vertical circle of radius

r

. The critical velocity at the highest point is

v_{o}

to complete the vertical circle. The tension in the string when it becomes horizontal is

(a)

\frac{3 m v _{0}^{2}}{r}

(b)

\frac{3 m v _{0}^{2}}{r}

(c)

3 m g

(d)

both (a) and (c) are correct

Correct answer: (c)

widgit image

Connecting you to a tutor in 60 seconds.

Get answers to your doubts.

widgit image

Connecting you to a tutor in 60 seconds.

Get answers to your doubts.

image to download the app

Similar topics

mechanical properties of fluids

laws of motion

oscillations

systems of particles and rotational motion

energy and power

widgit image

Connecting you to a tutor in 60 seconds.

Get answers to your doubts.

widgit image

Connecting you to a tutor in 60 seconds.

Get answers to your doubts.

image to download the app

mechanical properties of fluids

laws of motion

oscillations

systems of particles and rotational motion

energy and power

Related Questions

A pump is used to pump a liquid of density

ρ

continuously through a pipe of cross section area A, If liquid is flowing with speed V, then power of pump is

play button image

A solid sphere falls with a terminal velocity of 10 m/s in air. If it is allowed to fall in vacuum

play button image

Two spheres of radii

r_{1} = 1 c m, r_{2} = 2 c m

moves with speed

v_{1} = 20 c m / s and v_{2} = 10 c m / s

respectively in a viscous medium. Neglecting gravity find

\frac{F _{1}}{F _{2}} ?

F_{1} and F_{2}

are viscous force on sphere of radius

r_{1}

r_{2}

play button image

A liquid having coefficient of viscosity 0.02 decapoise is filled in container of cross section area

20 m^{2}

. if viscous drag between two adjacent layers in flowing is 1N , then the viscous gradient is:

play button image

A liquid having coefficient of viscosity

0.02

decapoise is filled in a container of cross-sectional area

20 m s^{2}

. If viscous drag between two adjacent layers in flowing is

1 N

, then velocity gradient is

play button image

The motion of a body is given by the equation

\frac{d v}{d t} = 6 - 3 v :

v

m / s

. If the body was at rest at

t = 0

(i) the terminal speed is

2 m / s

(ii) the magnitude of the initial acceleration is

6 m / s

(iii) the speed varies with time as

v = 2 (1 - e^{- 3 t}) m / s

(iv) The speed is

1 m / s

, when the acceleration is half the initial

play button image

Two equal drops of water are falling through air with. steady velocity v. If the drops coalesced, what will be the new velocity ?

play button image

A container of large uniform cross sectional area A resting on a horizontal surface holds two immiscible non viscous and incompressible liquids of density d and 3d, each of height H/2.The lower density liquid is open to the atmosphere having pressure

p_{o}

,. A tiny hole of area a(a<<A) is punched to the vertical side of lower container at a height h (0<h<H/2) for which range is maximum.

play button image

Related Questions

A pump is used to pump a liquid of density

ρ

continuously through a pipe of cross section area A, If liquid is flowing with speed V, then power of pump is

play button image

A solid sphere falls with a terminal velocity of 10 m/s in air. If it is allowed to fall in vacuum

play button image

Two spheres of radii

r_{1} = 1 c m, r_{2} = 2 c m

moves with speed

v_{1} = 20 c m / s and v_{2} = 10 c m / s

respectively in a viscous medium. Neglecting gravity find

\frac{F _{1}}{F _{2}} ?

F_{1} and F_{2}

are viscous force on sphere of radius

r_{1}

r_{2}

play button image

A liquid having coefficient of viscosity 0.02 decapoise is filled in container of cross section area

20 m^{2}

. if viscous drag between two adjacent layers in flowing is 1N , then the viscous gradient is:

play button image

A liquid having coefficient of viscosity

0.02

decapoise is filled in a container of cross-sectional area

20 m s^{2}

. If viscous drag between two adjacent layers in flowing is

1 N

, then velocity gradient is

play button image

The motion of a body is given by the equation

\frac{d v}{d t} = 6 - 3 v :

v

m / s

. If the body was at rest at

t = 0

(i) the terminal speed is

2 m / s

(ii) the magnitude of the initial acceleration is

6 m / s

(iii) the speed varies with time as

v = 2 (1 - e^{- 3 t}) m / s

(iv) The speed is

1 m / s

, when the acceleration is half the initial

play button image

Two equal drops of water are falling through air with. steady velocity v. If the drops coalesced, what will be the new velocity ?

play button image

A container of large uniform cross sectional area A resting on a horizontal surface holds two immiscible non viscous and incompressible liquids of density d and 3d, each of height H/2.The lower density liquid is open to the atmosphere having pressure

p_{o}

,. A tiny hole of area a(a<<A) is punched to the vertical side of lower container at a height h (0<h<H/2) for which range is maximum.

play button image

Home
Blog
Micro Class
PDFs
Become a Tutor
Download App

About Us
Contact Us
Privacy Policy

Copyright FILO EDTECH PVT. LTD. 2021

Home
Blog
Micro Class
PDFs
Become a Tutor
Download App

About Us
Contact Us
Privacy Policy

Copyright FILO EDTECH PVT. LTD. 2021