Pete slides a crate up a ramp with constant speed at an angle of 23.2 ◦ by exerting a 137 N force parallel to the ramp. How much work has been done against gravity when the crate is raised a vertical distance of 2.97 m? The coefficient of friction is 0.26. Answer in units of J.

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The rearrangement of particles in a physical change. hope this

Answertraveling around a circular trackexplanation"traveling around a circular track" is the best answer as you could be traveling around a circular track at a constant speed. your velocity would therefore have the same magnitude but will always be constantly direction. since acceleration is the rate of change of velocity, the rate of change will only involve the direction of velocity and not the magnitude.wrong choices: "an object at rest" does not accelerate at all"increasing speed while traveling around a curve" means that the acceleration will not be constant due to only change in direction; it will be constant due to both magnitude and direction"an object in free fall" does not necessarily change direction