Question

4. The necessary force 'P, applied parallel to an inclined plane having inclination a with horizontal to move a body of
weight Wup the plane is equal to
(A) Wsina/coso
(B) Wsin(a+o/cos
(C) 'Ncos(C+0) cos
(D) Viana-cos​

Answer 1

Answer:

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Answer 2

Concept Introduction:-

It could take the shape of a word or a numerical representation of a quantity's arithmetic value.

Explanation:-

We have been provided a question

We need to choose from the given alternatives the correct option

The correct option is $(B) Wsin(a+o/cos$

It is because The minimum force required to slide a body of weight W on a rough horizontal plane is $W sin\theta$. A body of weight $W$ is required to move up the rough inclined plane whose angle of inclination with the horizontal is α. The effort applied parallel to the plane is given by $P = W (sin \alpha + o/ cos\alpha)$.

Final Answer:-

The correct answer is option $(B) Wsin(a+o/cos$.

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