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JEE Main 2021 (Online) 18th March Morning Shift
Numerical
+4
-1
A bullet of mass 0.1 kg is fired on a wooden block to pierce through it, but it stops after moving a distance of 50 cm into it. If the velocity of bullet before hitting the wood is 10 m/s and it slows down with uniform deceleration, then the magnitude of effective retarding force on the bullet is 'x' N. The value of 'x' to the nearest integer is __________.
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2
JEE Main 2021 (Online) 17th March Evening Shift
Numerical
+4
-1
A boy of mass 4 kg is standing on a piece of wood having mass 5 kg. If the coefficient of friction between the wood and the floor is 0.5, the maximum force that the boy can exert on the rope so that the piece of wood does not move from its place is __________ N. (Round off to the Nearest Integer) [Take g = 10 ms-2 ]

JEE Main 2021 (Online) 17th March Evening Shift Physics - Laws of Motion Question 39 English
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3
JEE Main 2021 (Online) 17th March Evening Shift
Numerical
+4
-1
A body of mass 1 kg rests on a horizontal floor with which it has a coefficient of static friction $${1 \over {\sqrt 3 }}$$. It is desired to make the body move by applying the minimum possible force F N. The value of F will be ____________. (Round off to the Nearest Integer) [Take g = 10 ms$$-$$2 ]
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4
JEE Main 2021 (Online) 17th March Morning Shift
Numerical
+4
-1
Two blocks (m = 0.5 kg and M = 4.5 kg) are arranged on a horizontal frictionless table as shown in figure. The coefficient of static friction between the two blocks is $${3 \over 7}$$. Then the maximum horizontal force that can be applied on the larger block so that the blocks move together is ___________ N. (Round off to the Nearest Integer) [Take g as 9.8 ms$$-$$2]

JEE Main 2021 (Online) 17th March Morning Shift Physics - Laws of Motion Question 41 English
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