A solid cylinder of mass 3 kg is rolling on a horizontal surface with a velocity of 4 ms-1. It collides with a horizontal spring of force constant 200 Nm-1. The maximum compression produced in the spring will be:
1. 0.5 m
2. 0.6 m
3. 0.7 m
4. 0.2 m
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyABC is an equilateral triangle with O as its centre. F1, F2, and F3 represent three forces acting along the sides AB, BC and AC respectively. If the total torque about O is zero, then the magnitude of F3 is:
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPrefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe moment of inertia of a thin uniform rod of mass M and length L about an axis passing through its mid-point and perpendicular to its length is I0. Its moment of inertia about an axis passing through one of its ends and perpendicular to its length is:
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA circular disk of a moment of inertia It is rotating in a horizontal plane, about its symmetric axis, with a constant angular speed . Another disk of a moment of inertia Ib is dropped coaxially onto the rotating disk. Initially, the second disk has zero angular speed. Eventually, both the disks rotate with a constant angular speed . The energy lost by the initially rotating disc due to friction is:
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyTwo particles that are initially at rest, move towards each other under the action of their mutual attraction. If their speeds are v and 2v at any instant, then the speed of the centre of mass of the system will be:
1. 2v
2. 0
3. 1.5v
4. v
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA man of 50 kg mass is standing in a gravity-free space at a height of 10 m above the floor. He throws a stone of 0.5 kg mass downwards with a speed of 2 ms-1. When the stone reaches the floor, the distance of the man above the floor will be:
1. 9.9 m
2. 10.1 m
3. 10 m
4. 20 m
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIf \(\vec F\) is the force acting on a particle having position vector \(\vec r\) and \(\vec \tau\) be the torque of this force about the origin, then:
1. | \(\vec r\cdot\vec \tau\neq0\text{ and }\vec F\cdot\vec \tau=0\) |
2. | \(\vec r\cdot\vec \tau>0\text{ and }\vec F\cdot\vec \tau<0\) |
3. | \(\vec r\cdot\vec \tau=0\text{ and }\vec F\cdot\vec \tau=0\) |
4. | \(\vec r\cdot\vec \tau=0\text{ and }\vec F\cdot\vec \tau\neq0\) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA thin circular ring of mass M and radius R is rotating in a horizontal plane about an axis vertical to its plane with a constant angular velocity ω. If two objects each of mass m are attached gently to the opposite ends of the diameter of the ring, the ring will then rotate with an angular velocity:
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyTwo bodies of mass 1 kg and 3 kg have position vectors respectively. The centre of mass of this system has a position vector:
1. -2+2
2. -2-+
3. 2- - 2
4. -++
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology