Select which of the following statements are True or False. Assume Newtonian Mec

Question

Select which of the following statements are True or False. Assume Newtonian Mechanics The work required toift a mass one meter depends on the speed at which it is raised True The acceleration of an object is same in all inertial reference frames TrueA particle's kinetic energy can change without having any net work done it. False A simple machine cannot reduce the work required to do a task. False The power required to lift a mass does not depend on the speed at which the mass is raised The work done by a constant force acting on an object is equal to the magnitude of the force times the distance the object moves. Subrnit Ansiwer Incorrect. Tries 1/8 Previous Tries

Explanation / Answer

(a) False - Work required is equal to force multiplied by the displacement of the body in the direction of force.

(b) False - Acceleration depends on the iertial reference frames.

(c) False - Without any work done kinetic energy cannot change.

(d) False

(e) true - It depends only on the product of force and displacement in the direction of force.

(f) True - as explained above.

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