This English question involves literary analysis, grammar, or writing skills. The detailed response below provides a well-structured answer with supporting evidence and clear explanations.
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a) Velocity is the rate of change of an object's displacement per unit of time. It is a vector quantity, possessing both magnitude and direction. Its SI unit is meters per second ().
b) (i) The force acting between the box and the road is the force of friction. (ii) This force can be reduced by making the surfaces smoother or by applying a lubricant.
c) The net force acting on the box is zero. Explanation: Since the box is moving at a constant velocity, its acceleration is zero. According to Newton's second law (), if the acceleration () is , then the sum of the forces () acting on the box must also be .
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a) Velocity is the rate of change of an object's displacement per unit of time. It is a vector quantity, possessing both magnitude and direction.
This English question involves literary analysis, grammar, or writing skills. The detailed response below provides a well-structured answer with supporting evidence and clear explanations.