You visited us 1 times! Enjoying our articles? Unlock Full Access!

Byju's Answer

Standard IX

Physics

Balanced and Unbalanced Forces

ABC is an equ...

Question

$A B C$ is an equilateral triangle with $O$ as its centre, $_{1},_{2}$ and $_{3}$ represent three forces acting along the sides $A B, B C$ and $A C$ respectively. If the total torque about $O$ is zero then the magnitude of $_{3}$ is?

\frac{F_{1} + F_{2}}{2}

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

2 (F_{1} + F_{2})

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

F_{1} + F_{2}

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

F_{1} - F_{2}

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

Open in App

Solution

The correct option is B $F_{1} + F_{2}$
clockwise
$T = T_{F 1} + T_{F 2} + T_{F 3}$
$o = F_{1 r} + F_{2 r} + F_{3 r}$
$F_{3} = F_{1} + F_{2}$

Suggest Corrections

Similar questions

The centre of an equilateral triangle is O. Three forces F1,F2 and F3 are appointed along AB, BC and AC respectively. The magnitude of F3 so that the total torque about O should be zero is

Q. O is the centre of an equilateral triangle ABC.

F_{1}, F_{2}

and

F_{3}

are the three forces acting along the sides AB, BC and AC respectively. What should be the value of

F_{3}

so that the total torque about O is zero?

O

is the centre of an equilateral triangle

A B C

F_{1}, F_{2}

and

F_{3}

are three forces acting along the sides

A B, B C

and

C A

as shown in the figure. What should be the magnitude of

F_{3}

so that the total torque about

O

is zero?

Q. The center of an equilateral triangle is O. Three forces

F_{1}

F_{2}

and

F_{3}

are applied along AB, BC and AC respectively. The magnitude of

F_{3}

so that the total torque about O should be zero is:

Q. C is the centre of an equilateral triangle PQR.

f_{1}, f_{2}

and

f_{3}

are the three forces acting along the sides as shown. For the total torque about C to be zero,

Join BYJU'S Learning Program

ABC is an equilateral triangle with O as its centre, →F1,→F2 and →F3 represent three forces acting along the sides AB,BC and AC respectively. If the total torque about O is zero then the magnitude of →F3 is?

The correct option is B F1+F2clockwiseT=TF1+TF2+TF3o=F1r+F2r+F3rF3=F1+F2

$A B C$ is an equilateral triangle with $O$ as its centre, $_{1},_{2}$ and $_{3}$ represent three forces acting along the sides $A B, B C$ and $A C$ respectively. If the total torque about $O$ is zero then the magnitude of $_{3}$ is?

The correct option is B $F_{1} + F_{2}$
clockwise
$T = T_{F 1} + T_{F 2} + T_{F 3}$
$o = F_{1 r} + F_{2 r} + F_{3 r}$
$F_{3} = F_{1} + F_{2}$