Trigonometric EquationHard
Question
A particle is acted upon by constant forces 
and 
which displace it from a point 
to the point 
The work done in standard units by the forces is given by
and which displace it from a point to the point The work done in standard units by the forces is given byOptions
A.40
B.30
C.25
D.15
Solution
Work done by the forces 
where 
is displacement According to question 
and 
. Hence 
is 40.
where is displacement According to question and . Hence is 40.Create a free account to view solution
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