A force of 5 N is acting on an object. If object moves 5m in the direction opposite to the application of force, what is the work done?

25 J

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-25 J

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50 J

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-50 J

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Solution

The correct option is B
-25 J

Work done = F * s * cosθ, = 5 * 5 * cos180^o

= -25 J

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Q. A force of

5 N

acts on an object. The displacement is perpendicular to the direction of the force. What is the work done?

Q. What is the work done if a force of 5 N moves a body through a distance of 5 m?

Q. Give few examples where displacement of an object is in the direction opposite to the force acting on the object.

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A force of 5 N is acting on an object. If object moves 5m in the direction opposite to the application of force, what is the work done?

The correct option is B -25 J Work done = F * s * cosθ, = 5 * 5 * cos180o = -25 J

The correct option is B
-25 J

Work done = F * s * cosθ, = 5 * 5 * cos180^o

= -25 J