1
JEE Main 2025 (Online) 29th January Morning Shift
Numerical
+4
-1
In a hydraulic lift, the surface area of the input piston is 6 cm2 and that of the output piston is 1500 cm2. If 100 N force is applied to the input piston to raise the output piston by 20 cm, then the work done is _______ kJ.
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2
JEE Main 2025 (Online) 23rd January Morning Shift
Numerical
+4
-1
A force $\mathrm{f}=\mathrm{x}^2 \mathrm{y} \hat{\mathrm{i}}+\mathrm{y}^2 \hat{\mathrm{j}}$ acts on a particle in a plane $\mathrm{x}+\mathrm{y}=10$. The work done by this force during a displacement from $(0,0)$ to $(4 \mathrm{~m}, 2 \mathrm{~m})$ is _________ Joule (round off to the nearest integer)
Your input ____
3
JEE Main 2024 (Online) 9th April Evening Shift
Numerical
+4
-1
A force $$(3 x^2+2 x-5) \mathrm{N}$$ displaces a body from $$x=2 \mathrm{~m}$$ to $$x=4 \mathrm{~m}$$. Work done by this force is ________ J.
Your input ____
4
JEE Main 2023 (Online) 15th April Morning Shift
Numerical
+4
-1
A block of mass $10 \mathrm{~kg}$ is moving along $\mathrm{x}$-axis under the action of force $F=5 x~ N$. The work done by the force in moving the block from $x=2 m$ to $4 m$ will be __________ J.
Your input ____
Questions Asked from Work Power & Energy (Numerical)
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