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a force is acting on an object with an angle theta ...........................mass is m kg................whats the force required to just lift it from the ground???????
PLS ExplaIN!!!!!!!!!!!!!!
To lift the body from ground u need total upward force on object equal to total downward force..
Draw free body diagram n u will see normal and Fsin theta acts in vertically upward direction.
And weight acts in vertically downward direction
Thus
F sin theta + normal = weight
Fsin @ + N = mg
BEST OF LUCK!!!!!!!!!!!!!!!!
Plzzzzz approve my answer by clicking on yes below!!!!
let's assume surface is frictionless.the most optimum case is when @=90deg&F=Mg,so that N=0.
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