An elevator of mass 500 kg descends with an acceleration of 2 m/s^2 for a distance of 12 metres. What is the work done by the force of the earth's acceleration? -Elevator cable Cab K
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- DP-1 A 7.50kg box is pushed 1.70m along a frictionless horizontal table top by a constant force directed below as shown to the right. The work done by P is 25.0J. Find the angle 8 between the force P and the horizontal. P=20.0N Table top Ax 1.70m1 7.50kgA constant force F acts on an object as it goes through a displacement of s. Which of the following statements is true if the force is perpendicular to the direction of motion? Zero work is done by the force F. The work done by the force F is Fs. The work done by the force F is -Fs. The work done by the force F is 1/2 Fs. O The work done by the force F is -1/2 Fs.A block of mass 2.7 kg is pushed 2.6 m along a frictionless horizontal table by a constant 21 N force directed 32 degrees below the horizontal. d) Determine the work (in J) done by the force of gravity. e) Determine the work (in J) done by the net force on the block.