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A cart pushing ten bricks or a cart pushing twenty bricks using the same force and going the same distance which has greater kinetic energy?
Wiki User
∙ 15y ago
The same force could not be applied to travel the same distance if there is a larger mass in one instance. Applied force will accelerate a given mass twice as much as a mass half as large. If both are moving the same distance, the 20-brick cart had more kinetic energy when in motion.
Wiki User
∙ 15y ago
The cart pushing twenty bricks will have greater kinetic energy because kinetic energy is directly proportional to both the mass and the square of the velocity of an object. In this case, the increased mass of twenty bricks will contribute more to the kinetic energy than the increased force.
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