Calculate the actual
22. Two springs A and B are identical but A is harder than B (KA>KB ). On which
spring more work will be done if : (a) they are stretched the same distance, (b)
they are stretched by the same force?
23. Assuming that the mass M of the larges.
Answers
Answered by
0
Answer:
Given k
A
>k
B
Case (a) Stretched through same distance x.
Work done by spring A , W
A
=
2
1
k
A
x
2
Work done by spring B , W
B
=
2
1
k
B
x
2
∴W
A
>W
B
Case (b) Stretched by same force F
Let spring A is stretched by x
A
and spring B is stretched by x
B
.
ForceF=k
A
x
A
=k
B
x
B
⇒x
A
<x
B
Work done by spring A , W
A
=Fx
A
Work done by spring B , W
B
=Fx
B
Similar questions