As shown in figure, a 70 kg garden roller is pushed with a force of at an angle of 30° with the horizontal. The normal reaction on the roller is (Given ) [2023]

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Solution

Q.
As shown in figure, a 70 kg garden roller is pushed with a force of $\vec{F} = 200 N$ at an angle of 30° with the horizontal. The normal reaction on the roller is (Given $g = 10 {m s}^{- 2}$ ) [2023]

1 $800 \sqrt{2}$ N

2 600 N

3 800 N

4 $200 \sqrt{3}$ N

Ans.
(3)

$N = m g + F \sin 30 °$

$\Rightarrow N = 700 + 200 \times \frac{1}{2} = 800 newton$

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