Question

# Fill in the following blanks with suitable words : (a) Work is measured as a product of ....................... and .................. (b) The work done on a body moving in a circular path is ..................... (c) 1 joule is the work done when a force of one ............. moves an object through a distance of one.................. in the direction of ..................... (d) The ability of a body to do work is called .................... The ability of a body to do work because of its motion is called ................. (e) The sum of the potential and kinetic energies of a body is called ......... energy.

Solution

## a)Work is measured as a product of force and distance b)The work done on a body moving in a circular path is zero (c) 1 joule is the work done when a force of one newton moves an object through a distance of one metre in the direction of force (d) The ability of a body to do work is called energy The ability of a body to do work because of its motion is called kinetic energy . e)The sum of an object's potential and kinetic energies is called the object's mechanical energy.PhysicsScience for Ninth Class - Part I - PhysicsStandard IX

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