CBSE Class 9 Physics Work
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- Person A move from ground to third floor of his house through lift and person B do the same job with staircase who has done more job give reason
- in displacing a body 5 metre by a force of 50 Newton the work done is 125 joule find out the angle between the direction of force and displacement
- What is work done?
- A force of 40 Newton acts on a object at an angle of 45 degree with horizontal as a result the object is displaced horizontally through a distance of 14 metres calculate the work done by the force on an object
- Why energy is equal to work done?
- A force of 100 N acts through a distance of 10m.calculate the work done
- What would be the work done if (a) force on the object of zero? (b) displacement of the object is zero?
- Define work.
- Define the SI unit of Work.
- Calculate the amount of work done in lifting a body of mass 3 Kg through a distance of 11 metres.
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