Respuesta :
Answer:
The sum of all the forces acting on a inclined plane is zero, this states that block is moving at the constant speed.
Explanation:
When the sum of all the forces acting is zero, i.e. the block is said to be in equilibrium position.
Since sum of force is zero, there is no assumptive acceleration or decelerating force is acting on the box. This states that there might be two conditions for the box. The box can be either in the rest position, where there is no motion of the block. The net force zero can be the condition when the accelerating and decelerating forces are equal in nature. Providing the constant speed motion of the block.
So, the block must be moving at a constant speed when the net force acting is zero.
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