Answer:
solution:
here,
force = 2N
displace=5m
then,
w =f*d
=2*5
=10 joule
When a boy has a 0.2kg toy tied with a sting, having force 2N, an angle of 60º displaces it by 5 m then the work done by the boy would be 5 J.
The total amount of energy transferred when a force is applied to move an object through some distance
The work done is the multiplication of applied force with displacement.
The SI unit of work done by an object is Joules.
I J is the work done when a force of 1 N displaces an object by 1 m .
Work Done = Force * Displacement
For vector form, the relation is given by
Work done = F×d cos θ
For the given problem the force is 2 N and the displacement is 5m from an angle of 60°
Work done = 2 N × 5m × cos 60°
=5 Nm
=5 joules
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