1
JEE Main 2021 (Online) 24th February Morning Slot
Numerical
+4
-1
An inclined plane is bent in such a way that the vertical cross-section is given by $$y = {{{x^2}} \over 4}$$ where y is in vertical and x in horizontal direction. If the upper surface of this curved plane is rough with coefficient of friction $$\mu$$ = 0.5, the maximum height in cm at which a stationary block will not slip downward is _________ cm.
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2
JEE Main 2021 (Online) 24th February Morning Slot
Numerical
+4
-1
The coefficient of static friction between a wooden block of mass 0.5 kg and a vertical rough wall is 0.2. The magnitude of horizontal force that should be applied on the block to keep it adhere to the wall will be _________ N. [g = 10 ms$$-$$2]
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Questions Asked from Laws of Motion (Numerical)
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