Work Done by a Variable Force

JEE Main Physics · Work, Power and Energy · 9 questions, latest first

• A block of mass 1 kg, moving along x with speed v_i=10 m / s enters a rough region ranging from x=0.1 m to x=1.9 m. The retarding…20253 April, Shift 2 · Q31
• A force F=α+β x^2 acts on an object in the x -direction. The work done by the force is 5 J when the object is displaced by 1 m.…202524 January, Shift 1 · Q29
• A force f=x^2 y i+y^2 j acts on a particle in a plane x+y=10. The work done by this force during a displacement from (0,0) to (4…202523 January, Shift 1 · Q47
• A force (3 x^2+2 x-5) N displaces a body from x=2 m to x=4 m. Work done by this force is ____ J.20249 April, Shift 2 · Q51
• A block of mass 10 kg is moving along x -axis under the action of force F=5 x N. The work done by the force in moving the block…202315 April, Shift 1 · Q54
• A force F=(2+3 x) i acts on a particle in the x direction where F is in newton and x is in meter. The work done by this force…202311 April, Shift 1 · Q59
• A particle of mass 10 g moves in a straight line with retardation 2 x, where x is the displacement in SI units. Its loss of…20236 April, Shift 1 · Q59
• A force F=(5+3 y^2) acts on a particle in the y -direction, where F is in newton and y is in meter. The work done by the force…20231 February, Shift 2 · Q22
• An object of mass ' m ' initially at rest on a smooth horizontal plane starts moving under the action of force F=2 N. In the…202325 January, Shift 1 · Q29