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.
True False  A simple machine cannot reduce the work required to do a task.
True False  The work required to lift a mass one meter depends on the speed at which it is raised..
True False  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.
True False  The speed of an object is same in all inertial reference frames.
True False  A particle's kinetic energy can change without having any net work done it.
True False  The power required to lift a mass does not depend on the speed at which the mass is raised.

Explanation / Answer

False  A simple machine cannot reduce the work required to do a task.

False  The work required to lift a mass one meter depends on the speed at which it is raised..
True   The work done by constant force acting on an object is equal to the magnitude of the force times the distance the object moves.

True The speed of an object is same in all inertial reference frames.
False  A particle's kinetic energy can change without having any net work done it.
True   The power required to lift a mass does not depend on the speed at which the mass is raised.

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