MCQs: Which of the following represents the state of neutral equilibrium ?
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MCQs: One end of an elastic string of natural length / and modulus X is kept fixed while to the other end is attached a particle of mass m which is hanging freely under gravity. The particle is pulled down vertically through a distance x, held at rest and then released. The motion is___________________?
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MCQs: A simple pendulum of length / has an energy E, when its amplitude is A. If the length of pendulum is doubled, the energy will be___________________?
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MCQs: If the kinetic energy and potential energy of a simple harmonic oscillator of amplitude A are both equal to half the total energy, then the displacement is equal to_________________?
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MCQs: It is observed that in a certain sinusoidal oscillation, the amplitude is linearly dependent on the frequency f. If the maximum velocity during the oscillation is V, then V must be proportional to_________________?
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MCQs: A particle of mass 2 kg executes simple harmonic motion of frequency 6/71 Hz and amplitude 0.25 m. Its maximum kinetic energy is___________________?
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MCQs: If A is the amplitude of particle executing simple harmonic motion, then the total energy E of the particle is___________________?
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MCQs: A stone is thrown up a slope of inclination 60° to the horizontal. At what angle to the slope must the stone be thrown so as to land as far as possible from the point of projection ?
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MCQs: If a projectile is fired with an initial velocity of 10 m/sec at an angle of 60° to the horizontal, its horizontal and vertical velocity at the highest point of trajectory are___________________?
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MCQs: A projectile has maximum range of 40 m on a horizontal plane. If angle of projection is a and the time of flight is 1 second, then sin a must be about__________________?
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MCQs: The maximum value of the horizontal range for a projectile projected with a velocity of 98 m/sec is__________________?
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MCQs: For a given velocity of a projectile, the range is maximum when the angle of projection is___________________?
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MCQs: When a circular wheel rolls on a straight track, then the shape of body centrode and space centrode respectively are________________?
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MCQs: The angular speed of a car while taking a circular turn of radius 100m at 36 km/hour, is_______________?
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MCQs: The ratio of the speed of a rolling cylinder to the speed of sliding cylinder is_______________?
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MCQs: A flywheel of moment of inertia 20 kgm” is acted upon by a tangential force of 5 N at 2 m from its axis, for 3 seconds. The increase in angular velocity in radian persecond is__________________?
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MCQs: A circular disc rotates at n rpm. The angular velocity of a circular ring of same mass and radius as the disc and to have the same angular momentum is___________________?
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MCQs: Rate of change of angular momentum is equal to_______________?
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MCQs: A solid sphere of mass M and radius R rolls down a plane inclined at 0 with the horizontal. The acceleration of sphere is_______________?
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MCQs: A hoop of radius 3 m weighs 100 kg. It rolls along a horizontal floor so that at its centre of mass has a speed of 200 mm/sec, . The work required to stop the hoop is______________?
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