[" The work done against gravity in taking "10kg" mass at "1m],[" height in "1" sec will be - "],[" (1)49"J],[" (2) "98J],[" (3) "196J],[" (4) None "]

The work done against gravity in taking 10 kg mass at 1m height in 1 sec will be

The work done in lifting 1 kg mass to a height of 9.8 m is about

The work done in lifting a mass of 1 kg to a height of 9.8 m is

The work done in pulling a load of 100 kg 4900 J. What is te height in metres to which it is pulled ? [g = 9.8 m//s^(2)]

[" 3.An object of mass "2kg" is lifted "],[" vertically through a distance of "],[1.5m" .The work done in process is "],[[" (a) "29.4J" (b) "19.4J" (c) "17.4J" (d) "20.4J]]

Calculate the work done to take an object of mass 20 kg to a height of 10 m. (g = 9.8 m/s2)

The work done by a force on a body moving from (1,4) m to (3,8) m is 44 J. The force can be :

The work done by a boy in lifting his bag up to a height of 2 m is 200 J . Find the mass of his bag (Take g = 10 m s^(-2) ).

The work done to move an object of mass 2 kg to a height of 50 m from the ground is ______ J. (g = 10 m s^(-2))