AP EAPCET 2024 - 19th May Evening Shift | Work, Energy and Power Question 31 | Physics

A force of $\left(6 x^2-4 x+3\right) \mathrm{N}$ acts on a body of mass 0.75 kg and displaces it from $x=2 \mathrm{~m}$ to $x=5 \mathrm{~m}$. The work done by the force is

201 J

215 J

229 J

307 J

AP EAPCET 2024 - 18th May Morning Shift

MCQ (Single Correct Answer)

-0

A spring of $5 \times 10^3 \mathrm{Nm}^{-1}$ spring constant is stretched initially by 10 cm from unstretched position. The work required to stretch it further by another 10 cm is

$75 \mathrm{~N}-\mathrm{m}$

$50 \mathrm{~N}-\mathrm{m}$

$76 \mathrm{~N} \cdot \mathrm{~m}$

$82 \mathrm{~N}-\mathrm{m}$

AP EAPCET 2022 - 5th July Morning Shift

MCQ (Single Correct Answer)

-0

A small disc of mass $$m$$ slides down with initial velocity zero from the top $$(A)$$ of a smooth hill of height $$H$$ having a horizontal portion $$(BC)$$ as shown in the figure. If the height of the horizontal portion of the hill is $$h$$, then the maximum horizontal distance covered by the disc from the point $$D$$ is

AP EAPCET 2022 - 5th July Morning Shift Physics - Work, Energy and Power Question 33 English

$$\frac{H}{2}$$

$$2H$$

$$H$$

$$3H$$

AP EAPCET 2022 - 5th July Morning Shift

MCQ (Single Correct Answer)

-0

A block of mass 50 kg is pulled with a constant speed of $$4 \mathrm{~ms}^{-1}$$ across a horizontal floor by an applied force of 500 N directed $$30^{\circ}$$ above the horizontal. The rate at which the force does work on the block in watt is

$$\frac{2000}{\sqrt{3}}$$

$$500 \sqrt{3}$$

1732

1864

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