268762 A body of mass\(5 \mathrm{~kg}\) at rest under the action of a force which gives its velocity given by \(v=3 \times t \mathrm{~m} / \mathrm{s}\), here ' \(t\) ' is time in seconds. The work done by the force in two seconds will be

268828 A block is constrained to move along\(x\)-axis under a force \(F=-(2 x) N\). Find the work done by the force when the block is displaced from \(x=2 m\) to \(x=4 m\)

268829 A force of\(\left(4 x^{2}+3 x\right) N\) acts on a particle which displaces it from \(x=2 m\) to \(x=3 m\). The work done by the force is

268830 A body of mass\(6 \mathrm{~kg}\) is under a force which causes a displacement in it which is given by \(S=\frac{t^{2}}{4} m\), where ' \(t\) ' is time. The work done by the force in \(2 \mathrm{sec}\) is

268762 A body of mass\(5 \mathrm{~kg}\) at rest under the action of a force which gives its velocity given by \(v=3 \times t \mathrm{~m} / \mathrm{s}\), here ' \(t\) ' is time in seconds. The work done by the force in two seconds will be

268828 A block is constrained to move along\(x\)-axis under a force \(F=-(2 x) N\). Find the work done by the force when the block is displaced from \(x=2 m\) to \(x=4 m\)

268829 A force of\(\left(4 x^{2}+3 x\right) N\) acts on a particle which displaces it from \(x=2 m\) to \(x=3 m\). The work done by the force is

268830 A body of mass\(6 \mathrm{~kg}\) is under a force which causes a displacement in it which is given by \(S=\frac{t^{2}}{4} m\), where ' \(t\) ' is time. The work done by the force in \(2 \mathrm{sec}\) is

268762 A body of mass\(5 \mathrm{~kg}\) at rest under the action of a force which gives its velocity given by \(v=3 \times t \mathrm{~m} / \mathrm{s}\), here ' \(t\) ' is time in seconds. The work done by the force in two seconds will be

268828 A block is constrained to move along\(x\)-axis under a force \(F=-(2 x) N\). Find the work done by the force when the block is displaced from \(x=2 m\) to \(x=4 m\)

268829 A force of\(\left(4 x^{2}+3 x\right) N\) acts on a particle which displaces it from \(x=2 m\) to \(x=3 m\). The work done by the force is

268830 A body of mass\(6 \mathrm{~kg}\) is under a force which causes a displacement in it which is given by \(S=\frac{t^{2}}{4} m\), where ' \(t\) ' is time. The work done by the force in \(2 \mathrm{sec}\) is

268762 A body of mass\(5 \mathrm{~kg}\) at rest under the action of a force which gives its velocity given by \(v=3 \times t \mathrm{~m} / \mathrm{s}\), here ' \(t\) ' is time in seconds. The work done by the force in two seconds will be

268828 A block is constrained to move along\(x\)-axis under a force \(F=-(2 x) N\). Find the work done by the force when the block is displaced from \(x=2 m\) to \(x=4 m\)

268829 A force of\(\left(4 x^{2}+3 x\right) N\) acts on a particle which displaces it from \(x=2 m\) to \(x=3 m\). The work done by the force is

268830 A body of mass\(6 \mathrm{~kg}\) is under a force which causes a displacement in it which is given by \(S=\frac{t^{2}}{4} m\), where ' \(t\) ' is time. The work done by the force in \(2 \mathrm{sec}\) is