1. Pulling a trolley illustrates the concept of work by exerting a force in the direction of motion, causing displacement. This action transfers energy to the trolley, increasing its kinetic energy. It aligns with the scientific definition of work involving force and displacement.

    Pulling a trolley illustrates the concept of work by exerting a force in the direction of motion, causing displacement. This action transfers energy to the trolley, increasing its kinetic energy. It aligns with the scientific definition of work involving force and displacement.

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  2. Pushing a pebble on a surface demonstrates the scientific concept of work by applying a force to move the pebble along a distance. This action transfers energy to the pebble, increasing its kinetic energy, consistent with the definition of work in physics.

    Pushing a pebble on a surface demonstrates the scientific concept of work by applying a force to move the pebble along a distance. This action transfers energy to the pebble, increasing its kinetic energy, consistent with the definition of work in physics.

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  3. In scientific contexts, work is defined as the transfer of energy when a force is applied to an object and displaces it. In everyday contexts, work often refers to tasks or activities done for employment or income, unrelated to the scientific definition focusing on force and displacement.

    In scientific contexts, work is defined as the transfer of energy when a force is applied to an object and displaces it. In everyday contexts, work often refers to tasks or activities done for employment or income, unrelated to the scientific definition focusing on force and displacement.

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  4. Considering the sign of work in scenarios involving opposite directions of force is crucial because it determines whether work is done positively (when force and displacement are in the same direction) or negatively (when they are in opposite directions), indicating energy transfer or expenditure.

    Considering the sign of work in scenarios involving opposite directions of force is crucial because it determines whether work is done positively (when force and displacement are in the same direction) or negatively (when they are in opposite directions), indicating energy transfer or expenditure.

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  5. When a retarding force opposes the direction of motion, work done is negative, signifying energy loss. The formula for work done (W) accounts for this by incorporating the cosine of the angle between the force and displacement vectors, resulting in a negative value when the angle is greater than 90Read more

    When a retarding force opposes the direction of motion, work done is negative, signifying energy loss. The formula for work done (W) accounts for this by incorporating the cosine of the angle between the force and displacement vectors, resulting in a negative value when the angle is greater than 90 degrees.

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