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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 49 English
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2
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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3
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 51 English
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4
JEE Main 2021 (Online) 16th March Evening Shift
Numerical
+4
-1
A body of mass 2 kg moves under a force of $$\left( {2\widehat i + 3\widehat j + 5\widehat k} \right)$$N. It starts from rest and was at the origin initially. After 4s, its new coordinates are (8, b, 20). The value of b is _____________. (Round off to the Nearest Integer)
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