Question

calculate the work done when a force of 200 N is applied on a body due to which it covers a distance of 15m by making an angle of 60° from the direction of force​

Answer 1

Answer:

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mass = 20 kg

u = 5m/s

y= 2m/s

W = ?

W = F xs

v2_u²

= ma

2а

(2) -(5)2

= 20 xax

2a

(2P2=657

«(4,25)

= 20 x

= 10 (-21) = -210J

Answer 2

${Solution}$

Given :-

• Force acting on body is 200N
• Distance covered by body is 15m
• Making an angle 60°

To find :-

• Work done by body

Formula to know :-

When the displacement of the body makes an angle

θ with applied constant force Then work done by constant force is F given by

Work done = F.S cosθ

• S = displacement
• F = force

______________________________

Solution:-

If body travels in a straight line then Displacement = Distance

S = 15m

F = 200m

cos60° = 1/2

Work done = F.S cosθ

Work done = 200 × 15 × cos60°

= 200× 15 × 1/2

= 100 × 15

= 1500J

Work done by body is 1500J