Home › CBSE Class 11 (Science) › Physics › Work, Energy and Power › Work done by gravity as a stone rises vertically…
Work done by gravity as a stone rises vertically is
Anegative
Bpositive
Cconstant
Dzero
Answer & Solution
Correct answer: A. negative
Gravity points down while the stone moves up, so the angle is 180 degrees and work is negative.
Related questions
Horse-power is still commonly used to describe the output of:The potential energy of a body under a conservative force is always fixed only up to:Power, like work and energy, is what kind of physical quantity?The work-energy theorem holds in which frames of reference?Total mechanical energy of a body stays constant provided the only forces acting on it areAfter which inventor is the SI unit of power named?A motor pulls with a force of 22000 N at a steady 2 m/s. What power does it supply?During an elastic collision, the kinetic energy of the system at each instant of contact i