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.

Open in App

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.

Suggest Corrections

Similar questions

Q. 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 1 __________ 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.

A force of 12 N is acting on a body and the same force 12 N is acting on the same body but in a different direction. If the body moves with a displacement of $^{'} d^{'}$ metres, then what is the work done?

(a) Work is said to be done by a force only when _________

(b) Work done = Force $\times$ _________

(d) The S.I. unit of energy is ______

(e) The potential energy of a body is due to its ______ and kinetic energy of body is due to its ______

(f) Gravitational potential energy U = mass $\times$ force of gravity on unit mass $\times$ _________

(g) Kinetic energy = $\frac{1}{2} \times m a s s \times$ _________

(h) Power P = ______ / time taken.

(i) The S. I. unit of power is ______

(j) 1 H.P. = ______ W

(a) When do we say that work is done? Write the formula for the work done by a body in moving up against gravity. Give the meaning of each symbol which occurs in it.

(b) How much work is done when a force of 2 N moves a body through a distance of 10 cm in the direction of force?

The work-energy theorem states that the work done by a force on a body is equal to the change in kinetic energy of the body.

Join BYJU'S Learning Program