A force `vec F=x^(2)hati+y^(2)hat jN`,where x and y coordinates are in metres, acts upon a body and it moves along the path ABCDA as shown. The work done by the force is

A force (3hati+4hatj) newton acts on a boby and displaces it by (2hati+3hatj) metre. The work done by the force is

A force (3hati+4hatj) newton acts on a boby and displaces it by (3hati+4hatj) metre. The work done by the force is

A force (3hati+4hatj) newton acts on a boby and displaces it by (3hati+4hatj) metre. The work done by the force is

The work done by the force = vec F = A (y^(2) hati + 2 x^(2) hatj) , where A is a constant and x and y are in meters around the path shown is.

The work done by the force vec(F)=A(y^(2) hati+2x^(2)hatj) , where A is a constant and x & y are in meters around the path shown is :

A force ( 3 hati +4 hat j) newton acts on a body and displaces it by (3 hat I + 4 hat j) metere. The work done by the force is y Joules. Find y.

A body of mass 1 kg begins to move under the action of a time dependent force vec F = (2 t hat i + 3 t^(2) hat j) N , where hat i and hat j are unit vectors along x-and y-axes. What power will be developed by the force at the time t ?

A particle of mass 'm' moves along the quarter section of the circular path whose centre is at the origin . The radius of the circular path is 'a' . A force vec(F)=yhat(i)-xhat(j) newton acts on the particle, where x,y denote the coordinates of position of the particle. Calculate the work done by this force in taking, the particle from point, A(a,0) to point B(0,a) along the circular path.

A particle is moved along a path AB - BC - CD - DE - EF - FA , as shown in figure, in presence of a force vecF = (alpha y hati + 2 alpha xhatj)N , where x and y are in meter and alpha = -1Nm^(-1) . The work done on the particle by this by this force will be Joule.

An object is moving along a straight line path from P to Q under the action of a force vec(F)=(4 hati-3hatj+hat2k)N . If the co-ordinate of P and Q in meters are (3,2,-1) and (2,-1,4) respectively. Then the work done by the force is