1. Playing in a field isn't considered work scientifically unless a force causes displacement. Activities like running or kicking a ball may involve work if they result in moving objects in the direction of the force.

    Playing in a field isn’t considered work scientifically unless a force causes displacement. Activities like running or kicking a ball may involve work if they result in moving objects in the direction of the force.

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  2. Examples include studying, cooking, and cleaning. These activities require effort and are considered work in everyday life but do not involve a force causing displacement in the direction of the force, so they aren't work scientifically.

    Examples include studying, cooking, and cleaning. These activities require effort and are considered work in everyday life but do not involve a force causing displacement in the direction of the force, so they aren’t work scientifically.

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  3. In the example of a bullock pulling a cart, work is indicated by the force exerted by the bullock causing the cart to move a certain distance in the direction of the force applied.

    In the example of a bullock pulling a cart, work is indicated by the force exerted by the bullock causing the cart to move a certain distance in the direction of the force applied.

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  4. For work to be done, two conditions must be satisfied: a force must be applied to an object, and the object must be displaced in the direction of the force.

    For work to be done, two conditions must be satisfied: a force must be applied to an object, and the object must be displaced in the direction of the force.

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  5. When a girl pulls a trolley, the outcome is that the trolley moves in the direction of the applied force. The work done is a result of the force exerted by the girl causing the trolley's displacement.

    When a girl pulls a trolley, the outcome is that the trolley moves in the direction of the applied force. The work done is a result of the force exerted by the girl causing the trolley’s displacement.

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