1
JEE Main 2021 (Online) 18th March Evening Shift
MCQ (Single Correct Answer)
+4
-1
An object of mass m1 collides with another object of mass m2, which is at rest. After the collision the objects move with equal speeds in opposite direction. The ratio of the masses m2 : m1 is :
2
JEE Main 2021 (Online) 17th March Evening Shift
MCQ (Single Correct Answer)
+4
-1
Two identical blocks A and B each of mass m resting on the smooth horizontal floor are connected by a light spring of natural length L and spring constant K. A third block C of mass m moving with a speed v along the line joining A and B collides with A. The maximum compression in the spring is


3
JEE Main 2021 (Online) 17th March Morning Shift
MCQ (Single Correct Answer)
+4
-1
A triangular plate is shown. A force $$\overrightarrow F $$ = 4$$\widehat i$$ $$-$$ 3$$\widehat j$$ is applied at point P. The torque at point P with respect to point 'O' and 'Q' are :


4
JEE Main 2021 (Online) 16th March Evening Shift
MCQ (Single Correct Answer)
+4
-1
A large block of wood of mass M = 5.99 kg is hanging from two long massless cords. A bullet of mass m = 10 g is fired into the block and gets embedded in it. The (block + bullet) then swing upwards, their centre of mass rising a vertical distance h = 9.8 cm before the (block + bullet) pendulum comes momentarily to rest at the end of its arc. The speed of the bullet just before collision is :
(take g = 9.8 ms-2)

(take g = 9.8 ms-2)

Questions Asked from Center of Mass and Collision (MCQ (Single Correct Answer))
Number in Brackets after Paper Indicates No. of Questions
JEE Main 2023 (Online) 31st January Morning Shift (1) JEE Main 2023 (Online) 30th January Evening Shift (1) JEE Main 2023 (Online) 30th January Morning Shift (3) JEE Main 2022 (Online) 29th July Evening Shift (2) JEE Main 2022 (Online) 29th July Morning Shift (1) JEE Main 2022 (Online) 28th July Morning Shift (1) JEE Main 2022 (Online) 27th July Evening Shift (1) JEE Main 2022 (Online) 26th July Evening Shift (2) JEE Main 2022 (Online) 25th July Evening Shift (1) JEE Main 2022 (Online) 30th June Morning Shift (1) JEE Main 2022 (Online) 29th June Morning Shift (2) JEE Main 2022 (Online) 27th June Morning Shift (1) JEE Main 2022 (Online) 26th June Morning Shift (1) JEE Main 2022 (Online) 25th June Morning Shift (1) JEE Main 2021 (Online) 31st August Morning Shift (2) JEE Main 2021 (Online) 27th August Morning Shift (1) JEE Main 2021 (Online) 26th August Evening Shift (1) JEE Main 2021 (Online) 27th July Morning Shift (3) JEE Main 2021 (Online) 25th July Morning Shift (1) JEE Main 2021 (Online) 22th July Evening Shift (1) JEE Main 2021 (Online) 20th July Evening Shift (1) JEE Main 2021 (Online) 18th March Evening Shift (1) JEE Main 2021 (Online) 17th March Evening Shift (1) JEE Main 2021 (Online) 17th March Morning Shift (1) JEE Main 2021 (Online) 16th March Evening Shift (1) JEE Main 2021 (Online) 16th March Morning Shift (1) JEE Main 2021 (Online) 26th February Morning Shift (1) JEE Main 2020 (Online) 6th September Evening Slot (1) JEE Main 2020 (Online) 3rd September Morning Slot (1) JEE Main 2020 (Online) 9th January Evening Slot (1) JEE Main 2020 (Online) 9th January Morning Slot (1) JEE Main 2020 (Online) 8th January Evening Slot (1) JEE Main 2019 (Online) 12th April Evening Slot (1) JEE Main 2019 (Online) 12th April Morning Slot (1) JEE Main 2019 (Online) 10th April Evening Slot (2) JEE Main 2019 (Online) 10th April Morning Slot (3) JEE Main 2019 (Online) 9th April Evening Slot (1) JEE Main 2019 (Online) 9th April Morning Slot (2) JEE Main 2019 (Online) 8th April Evening Slot (2) JEE Main 2019 (Online) 8th April Morning Slot (1) JEE Main 2019 (Online) 12th January Morning Slot (2) JEE Main 2019 (Online) 11th January Evening Slot (1) JEE Main 2019 (Online) 10th January Evening Slot (1) JEE Main 2019 (Online) 10th January Morning Slot (1) JEE Main 2019 (Online) 9th January Morning Slot (1) JEE Main 2018 (Online) 15th April Morning Slot (1) JEE Main 2015 (Offline) (1) JEE Main 2013 (Offline) (1) AIEEE 2010 (2) AIEEE 2006 (2) AIEEE 2005 (1) AIEEE 2004 (1)