What is the work done in pulling the block shown through a distance of $1 m$ ?

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Solution

Resultant force in the direction of displacment , $F = 2 \times 10 c o s 30^{0} = 10 \sqrt{3} N$

Displacment , $s = 1 m$

Work done , $W = F \cdot s = 10 \sqrt{3} \times 1 = 10 \sqrt{3} J$

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What is the work done in pulling the block shown through a distance of 1m ?

Resultant force in the direction of displacment , F=2×10 cos300=10√3 NDisplacment ,s=1 mWork done , W=F⋅s=10√3×1=10√3 J

What is the work done in pulling the block shown through a distance of $1 m$ ?

Resultant force in the direction of displacment , $F = 2 \times 10 c o s 30^{0} = 10 \sqrt{3} N$

Displacment , $s = 1 m$

Work done , $W = F \cdot s = 10 \sqrt{3} \times 1 = 10 \sqrt{3} J$