MyQuestionIcon

1

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

Work Done When Force Is Varying

A metallic wi...

Question

A metallic wire of length L metres extends by l metres when stretched by suspending a weight Mg to it. The mechanical energy stored in the wire is

A

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

B

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

C

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

D

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

Open in App

Solution

The correct option is C

Elastic potential energy stored in wire $U = \frac{1}{2} F x = \frac{M g l}{2}$ .

Suggest Corrections

thumbs-up

7

Similar questions

Q. A metallic wire of length

L

metre extends by

ℓ

metre when stretched by suspending a weight

M g

from it. The mechanical energy stored in the wire is

Q. A wire suspended vertically from one of its ends stretched by attaching a weight of

200 N

to the lower end. The weight stretches the wire by

1 m m

. Then the elastic energy stored in the wire is:

5

metre long wire is fixed to the ceiling. A weight of

10 k g

is hung at the lower end and is

1

metre above the floor. The wire was elongated by

1 m m

. The energy stored in the wire due to stretched is

Q. A wire suspended vertically from one of its ends is stretched by attaching a weight of

200 N

to its lower end. If the weight stretches the wire by

1 mm

, then elastic energy stored in the wire is

Q. A wire is suspended vertically from one of its ends is stretched by attaching a weight of 200 N to the lower end. The wire stretches the wire by 1 mm. The elastic energy stored in the wire is

:

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

So You Think You Know Work?

PHYSICS

Watch in App

explore_more_icon

Explore more

Work Done When Force Is Varying

Standard XII Physics

Join BYJU'S Learning Program

CrossIcon