An L-shaped object, made of thin rods of uniform mass density, is suspended with a string as shown in figure. If AB=BC, and the angle made by AB with downward vertical is 
, then:
|
a. |
tan |
b. |
tan |
|
c. |
tan |
d. |
tan |
Question ID - 50038 | SaraNextGen Answer An L-shaped object, made of thin rods of uniform mass density, is suspended with a string as shown in figure. If AB=BC, and the angle made by AB with downward vertical is , then:
a.
tan
=
b.
tan
=
c.
tan
=
d.
tan
=
An L-shaped object, made of thin rods of uniform mass density, is suspended with a string as shown in figure. If AB=BC, and the angle made by AB with downward vertical is , then:
|
a. |
tan |
b. |
tan |
|
c. |
tan |
d. |
tan |
1 Answer - 5876 Votes
3537
Answer Key : (b) -
Answer Link
Let mass of one rod is m. Balancing torque about hinge point.
Mg(C1P)=mg(C2N)
mg
=mg
mgLsin
=
tan
=
