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A force F is exerted on a body of mass M, which is connected to a spring (spring constant K). The body has a constant acceleration a. Calculate the work done by the external force in moving A force F is exerted on a body of mass M which is connected to a spring (spring [...]

A force F acts on a body such that it is always at an angle of 45 to the direction of motion. The body moves in a circle and covers a semicircle of radius R. What is the work done by the force F? A force F acts on a body such that it is [...]

A 10 kg block moves in a straight line under the action of a force that varies with position as shown in Fig. 8.45. How much work does the force do as the block moves from origin to x = 8 m? A 10 kg block moves in a straight line under the action of [...]

A body moves from point A to B under the action of a force, varying in magnitude as shown in Fig. 8.44. Obtain the work done. Force is expressed in newton and displacement in meter. A body moves from point A to B under the action of a force varying in magnitude as shown in [...]

A force F = (3xN)i + (4N)j, with x in meter, acts on a particle, changing only the kinetic energy of the particle. How much work is done on the particle as it moves from coordinates A force F = (3xN)i + (4N)j acts on a particle changing only the kinetic energy of the particle. [...]

An object is displaced from a point A (0, 0, 0) to B (1 m, 1 m, 1 m) under a force F = (yi + xj) N. Find the work done by this force in this process. 0) to B (1 m 1 m 1 m) under a force F = (yi + xj) [...]

An object is displaced from position vector r1 = (2i + 3j)m to r2 = (4i + 6j)m under a force F = (3x^2i + 2yj) N. Find the work done by the force. An object is displaced from position vector r1 = (2i + 3j)m to r2 = (4i + 6j)m under a force [...]

An object is displaced from point A ( 2 m, 3 m, 4 m ) to a point B ( 1 m, 2 m, 3 m) under a constant force F = (2i + 3j + 4k). Find the work done by this force in this process. 2 m 3 m) under a constant force [...]

A body constrained to move along the z-axis of a coordinate system is subjected to a constant force given by F = -i + 2j + 3 k N, where i, j, k are unit vectors along the x-, y-, and z axes A body constrained to move along the z-axis of a coordinate system [...]

A gardener moves a lawn roller through a distance of 100 m with a force of 50 N. Calculate his wages if he is to be paid 10 paise for doing 25 J of work. It is given that the applied force A gardener moves a lawn roller through a distance of 100 m with [...]