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kinematics - If I lift a box vertically, why is the work I do equal to the ...


Nov 9, 2013 ... If I lift a box vertically, why is the work I do equal to the distance I lift it times the force of gravity on the box? [duplicate] ...



•How much energy is required to do work? ... ➢Work is done to raise the box vertically against the force ... The work required to lift an object equals the object's .

Work and Energy Notes - District 196


When you lift a box up off the floor, you must exert a force at least equal to the weight of the box. If you lift the box at constant speed, you "do work" on the box that ...

Work done in lifting a box | Physics Forums - The Fusion of ...


Apr 29, 2008 ... I am reading Principles of Physics by Serway and Jewett, and it has an example of a person lifting a box vertically. It states that the work done ...

Student Activity DOC - Education TI


Someone lifting boxes from the ground to an elevated platform. If you've done ... The amount of work needed to push the mass is the same as lifting it straight up. Part 1: Varying ... Calculate the work done in lifting the mass vertically. Note: The  ...

Manual handling lifting techniques in laboratories and workshops


involve manual handling, whether it's carrying boxes of printing paper in an office or ... No single person should be required to lift, lower or carry loads over 25kg. ... the work for you e.g. when pushing .... flexed, lift the load to a vertical position.

Calculating the Amount of Work Done by Forces


How much work is done by an applied force to lift a 15-Newton block 3.0 ... at a 30° angle to the vertical) to move a 500 gram box a horizontal distance of 400 cm  ...

www.ask.com/youtube?q=What Is The Work Needed To Lift A Box Vertically&v=UUKtsR5bvd8
Sep 23, 2014 ... Physics Conservation of Energy Example Problems Part 2: How much work is done by a force required to lift a 15 kg box to a height of 4m?

Work Done against Gravity - CPO Science


the vertical distance matters because the force of gravity is vertical. ... In science, work is defined as the force needed to move an object a certain distance. .... A lever used to lift a heavy box has an input arm of 4 meters and an output arm of 0.8 ...

Levers That Lift - Lesson - www.teachengineering.org


Explain how the lever, pulley and wheel-and-axle make work easier. ... to be the machine of choice when lifting heavy objects over a direct vertical path. ... to a pulley system so that the effort required to lift objects vertically is largely reduced.

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Preview of Period 6: Energy and Work - Physics


Work Done to Lift a Box Vertically. The weight of an object equals the object's mass times the acceleration of gravity (g). Weight = F = M g. The work required to  ...

Work Against Gravity to Lift an Object by Ron Kurtus - Succeed in ...


Jun 27, 2013 ... FTis the upward force; Fg is the resistive force of gravity; m is the mass of the object; g is the acceleration due to gravity. The work required to lift ...

Work and Inclined Planes


○How much work is done lifting the small box to the top of the tower. 12 m. 5 kg ... Which takes more work, lifting an object straight up, or pushing an object up a ...