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A body constrained to move along the Z-a...

A body constrained to move along the Z-axis of a co-ordinate system is subject to a constant forece `vec F=-hat i+2hatj+3hatk`, where `hati, hatj,hatk` are unit vectors along the X-,Y- and Z-axis of the system respectively. What is the work done by this force in moving the body a distance of 4 m along the Z-axis ?

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A body constrained to move along the z-axis of a co-ordinate system is subjected to a constant force vec(F) given by vec(F) =- hati +2hatj +3hatk newton, where hati, hatj and hatk represen unit vectors along x,y- and z-axis of the system respectively. Calculate the work done by force in displacing the body through a distance of 4m along the z-axis.

A body constrained to move along the Y-axis of a co-ordinate system is subjected to a constant force vecF given unit vecF=-hati+6hatj+2 hatk newton where hati, hatj and hatk represent unit vector along X-, Y- and Z-axis of the system , respectively . Calculate the work done by the force in displacement the body through a distance of 4 m along the Y-axis .

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A particle constrained to move along the Y axis of a co-ordinate system is subject to a constant force vecF=(5hati+4hatj-3hatk) newton. What is the work done by this force, in movong the particle trough 5 m along the Y-axis?

A particle constrained to move along the Y axis of a coordinate system in subject to a constant force . vec(F) = (5 hati + 4hatj + 3hatk) newton. What is the work done by this force is moving the particle throught 5 m along the Y axis ?

A body constrained to move along y-axis is subjected to a constant force vecF= -hati+2hatj+3hatk N . The work done by this force in moving the body a distance of 4 m along y-axis is

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SL ARORA-Work, Energy and power-EXERCISE
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  4. Calculate the amount of work done by a labourer who carries n bricks, ...

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  5. A man moves on a straight horizontal road with a block of mass 2 kg i...

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  7. A force vecF=hat i+5 hat j+7 hat k acts on a particle and displaces it...

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  8. A particle is acted upon by constant forces vecF=-2hati+3hatj+4hatk an...

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  9. A man weighing 50kg f supports a body of 25 kg f on his head. What is ...

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  10. Explain how work done by a variable force may be measured.

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  12. A force F=a+b x acts on a particle in the X-direction, where a and b a...

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  13. The relation between the displacement x and the time t for a body of m...

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  14. Figrue shows the F-x graph. Where F is the force applied x is the dist...

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  15. Calculate work done in moving the object from x=2 to x=3m from the gr...

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  16. The momentum of a body of masss of 5kg is 500kg ms^(-1). Find the its...

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  17. A bullet of mass 20g is found is found to pass two points 30cm apart i...

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  18. A body of mass 2kg is resting on rough horizontal surface. A force 20N...

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  19. A body of mass 2kg is resting on a rough horizontal surface. A force o...

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  20. A electron and a proton are detected in a cosmic ray experiment, the e...

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  21. A neutron of mass 1.66xx10^(-27)kg is moving with a speed of 7xx10^(5)...

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