JEE Main 2021 (Online) 17th March Morning Shift | Laws of Motion Question 54 | Physics

JEE Main 2021 (Online) 17th March Morning Shift

Numerical

-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 54 English

JEE Main 2021 (Online) 17th March Morning Shift Physics - Laws of Motion Question 54 English

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JEE Main 2021 (Online) 16th March Evening Shift

Numerical

-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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JEE Main 2021 (Online) 26th February Morning Shift

Numerical

-1

A person standing on a spring balance inside a stationary lift measures 60 kg. The weight of that person if the lift descends with uniform downward acceleration of 1.8 m/s² will be ______________ N. [g = 10 m/s²]

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JEE Main 2021 (Online) 26th February Morning Shift

Numerical

-1

As shown in the figure, a block of mass $$\sqrt 3 $$ kg is kept on a horizontal rough surface of coefficient of friction $${1 \over {3\sqrt 3 }}$$. The critical force to be applied on the vertical surface as shown at an angle 60$$^\circ$$ with horizontal such that it does not move, will be 3x. The value of x will be _________.

[g = 10 m/s²; sin60$$^\circ$$ = $${{\sqrt 3 } \over 2}$$; cos60$$^\circ$$ = $${1 \over 2}$$]

JEE Main 2021 (Online) 26th February Morning Shift Physics - Laws of Motion Question 58 English