1
NEET 2018
MCQ (Single Correct Answer)
+4
-1
A moving block having mass m, collides with
another stationary block having mass 4m. The
lighter block comes to rest after collision. When
the initial velocity of the lighter block is v, then
the value of coefficient of restitution (e) will be
2
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Which of the following statements are correct ?
(1) Centre of mass of a body always coincides with the centre of gravity of the body.
(2) Centre of mass of a body is the point at which the total gravitational torque on the body is zero.
(3) A couple on a body produces both translational and rotational motion in a body
(4) Mechanical advantage greater than one means that small effort can be used to lift a large load.
(1) Centre of mass of a body always coincides with the centre of gravity of the body.
(2) Centre of mass of a body is the point at which the total gravitational torque on the body is zero.
(3) A couple on a body produces both translational and rotational motion in a body
(4) Mechanical advantage greater than one means that small effort can be used to lift a large load.
3
NEET 2016 Phase 2
MCQ (Single Correct Answer)
+4
-1
A rigid ball of mass m strikes a rigid wall at 60o and gets reflected without loss of speed as shown in the figure. The value of impulse imparted by the wall on the ball will be :
4
NEET 2016 Phase 2
MCQ (Single Correct Answer)
+4
-1
A bullet of mass 10 g moving horizontally with a velocity of 400 m s$$-$$1 strikes a wood block of mass 2 kg which is suspended by light inextensible string of length 5 m. As a result, the centre of gravity of the block found to rise a vertical distance of 10 cm. The speed of the bullet after it emerges out horizontally from the block will be
Questions Asked from Center of Mass and Collision (MCQ (Single Correct Answer))
Number in Brackets after Paper Indicates No. of Questions
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AIPMT 2008 (2)
AIPMT 2006 (1)
AIPMT 2005 (1)
AIPMT 2004 (1)
AIPMT 2003 (1)
AIPMT 2002 (2)
AIPMT 2001 (1)
NEET Subjects
Physics
Mechanics
Units & Measurement Motion in a Straight Line Motion in a Plane Laws of Motion Work, Energy and Power Center of Mass and Collision Rotational Motion Gravitation Properties of Matter Heat and Thermodynamics Oscillations Waves
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Human Health and Diseases Body Fluids and Its Circulation Locomotion and Movement Neural Control and Coordination Reproduction in Organisms Reproductive Health Structural Organisation in Animals Digestion and Absorption Excretory Products and Their Elimination Chemical Coordination and Integration Human Reproduction Animal Kingdom Breathing and Exchange of Gases Evolution