what is force and work
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Work
- Work is defined as the energy moved to or from an item by applying force along a displacement. In its most basic form, it is typically shown as the result of force and displacement.
- A force is said to do positive work if it has a component in the direction of displacement of the point of application (when applied).
- A force is said to be producing negative work if it has a component that is opposite the direction of displacement at the force's application point.
Force
- A force is a factor that can affect the motion of an item.
- A force may accelerate a mass object (e.g., from a standstill). Another way to think about force is as a push or a pull.
- A vector quantity is one that has both magnitude and direction.
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In simple words force is a push or pull. the force is given by the product of mass and acceleration i.e., f = m×a. the si unit of force is Newton.
Work is the product of the component of the force in the direction of the displacement and the magnitude of this displacement. the work done is given by expression f (cos θ)d = f . d. the si unit of work is joule.
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