Question

10 newton force displace a body 5 meter in the direction of force calculate the work done done by the force​

Answer 1

Answer:

w=force.displacement cos (theta)

w=F.S cos theta

w= 10×5 cos (0⁰) = 50 J

(angle is 0⁰ because, the theta is the angle between force applied and displacement, here both are in same direction i.e. they are parallel to each other and so 0⁰)

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Answer 2

Answer:

50J

Explanation:

W= Force× displacement × cos(theta)

therefore

W= 10N× 5m × cos(0°)

(here 0° because the angle between the force and displacement is 0°)

therefore

W=50 Nm(but we don't write the unit of work as Nm)

therefore we write the SI unit of work which is Joule

or W= 50J