True or False for each of the statements 1.Less power is required while lifting

Question

True or False for each of the statements

1.Less power is required while lifting a box up quickly than while slowly lifting it.          
            2.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.          
            3.The speed of an object is same in all inertial reference frames.          
            4. A particle's kinetic energy can change without having any net work done it.          
            5. A simple machine cannot reduce the work required to do a task.          
            6. The work required to lift a mass one meter depends on the speed at which it is raised..          

Explanation / Answer

1)True

2)False

3)False

4)False

5)True

6)False

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