Ability to do work is called____________.

Fill in the blanks The capacity to do work is called_____.

The ability of a force to produce rotational motion is measured by its turning effect and it is called_____________.

Fill in the following blank 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.

Fill In the blanks: __ is the ability to do work and is expressed in units of __

Three friends Priya, Usha and Spandana together can do a piece of work in 56 days. If Usha's ability to do the work is twice as that of Spandana and Priya's ability to do the work is twice as that of Usha, then find the number of days required for these friends to complete the same work if they work individually.

Two persons X and Y together can do a particular job in 36 days. If X's ability to do the work is twice that of Y, then find the number of days in which X and Y can do the work individually.