1) Thee acceleration due to gravity on Earth is maximum at a) Equator b) Poles c) Center of Earth d) Everywhere same 2) kepler's first law states that planets move in a) Circles b) Straight line c) Parabolas d) Ellipses 3) Which law explains equal area in equal Times a) Newton's first law b) Kepler's first law  c) Kepler's second law d) Kepler's third law 4) Centre of mass depends on a) Shape only b) Mass distribution c) Volume only d) Density only 5) The centre of mass of a system can lie a) only inside the body b) only outside the body c) either inside or outside d) only on the surface 6) At the mean position of SHM , velocity is a) Zero b) Minimum c) Maximum d) Constant 7) When force and displacement are in opposite directions , work done is a) Zero b) None c) Positive d) Negative 8) A force of 10 N moves an object by 5 m in the same direction. Work done is a) 2 J b) 15 J c) 50 J d) 100 J 9) The first law of thermodynamics is based on a) Conservation of mass b) Conservation of energy c) Conservation of Moment d) Conservation of charge 10) In an isothermal process, which quantity remains constant a) Pressure b) Volume c) Temperature d) Internal energy 

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