Question 109: Work, Energy and Power & Circular Motion

Question

Arrange the four graphs in descending order of total work done; where W
1
, W
2
, W
3
and W
4
are the work done corresponding to figure a, b, c and d respectively.
![](['https://app-content.cdn.examgoal.net/fly/@width/image/1l5ah46w1/19b6561e-2f38-4824-b96c-df1520545b81/7919d510-fda5-11ec-9895-953d7c4166fb/file-1l5ah46w2.png?format=png', 'https://app-content.cdn.examgoal.net/fly/@width/image/1l5ah52rt/6a19f5cc-1894-4cb1-b557-f3fdd5175443/91bac390-fda5-11ec-9895-953d7c4166fb/file-1l5ah52ru.png?format=png', 'https://app-content.cdn.examgoal.net/fly/@width/image/1l5ah6aud/80d5c84a-be08-4e0e-9d83-6e9e75e53b18/b3c5f950-fda5-11ec-9895-953d7c4166fb/file-1l5ah6aue.png?format=png', 'https://app-content.cdn.examgoal.net/fly/@width/image/1l5ah9iaz/f30c9fac-2cf6-4a4d-bfd3-127c8e4eb756/0cf6ebb0-fda6-11ec-9895-953d7c4166fb/file-1l5ah9ib0.png?format=png'])

Accepted Answer

W
a
= 0, W
b
= +ve, W
c
= +ve > W
b
, W
d
= $-$ve
$\Rightarrow$ W
c
> W
b
> W
a
> W
d
$\Rightarrow$ W
3
> W
2
> W
1
> W
4

Answer

W
3
> W
2
> W
1
> W
4

Answer

W
3
> W
2
> W
4
> W
1

Answer

W
2
> W
3
> W
4
> W
1

Answer

W
2
> W
3
> W
1
> W
4

Work, Energy and Power & Circular Motion

Arrange the four graphs in descending order of total work done; where W 1 , W 2 , W 3 and W 4 are the work done corresponding to figure a, b, c and d respectively.

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