MCQs: The force polygon representing a set of forces in equilibrium is a_____________________?
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MCQs: A system of copianar forces is in equilibrium when___________________?
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MCQs: Free body diagram is an____________________?
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MCQs: In a lifting machine a weight of 5 kN is lifted through 200 mm by an effort of 0.1 kN moving through 15 m. The mechanical advantage and velocity ratio of the machine are respectively_____________________?
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MCQs: A stone was thrown vertically upwards from the ground with a velocity of 50 m/sec. After 5 seconds another stone was thrown vertically upwards from the same place. If both the stones strike the ground at the same time, then the velocity with which the second stone was thrown should be (Assume g = 10 m/sec2)______________________?
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MCQs: A particle is dropped from a height of 3 m on a horizontal floor, which has a coefficient of restitution with the ball of 1/2. The height to which the ball will rebound after striking the floor is____________________?
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MCQs: One Joule is equivalent to________________?
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MCQs: If a flywheel increases its speed from 10 rpm to 20 rpm in 10 seconds, then its angular acceleration is_____________________?
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MCQs: A car goes round a curve of radius 100 m at 25 m/sec. The angle to the horizontal at which the road must be banked to prevent sideways friction on the car wheels is tan”1 x, where x is (Assume g = 10 m/sec2)_____________________?
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MCQs: A body is dropped from a height of 100 m and at the same time another body is projected vertically upward with a velocity of 10 m/sec. The two particles will____________________?
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MCQs: Two balls of masses 3 kg and 6 kg are moving with velocities of 4 m/sec and 1 m/sec respectively, towards each other along the line of their centers. After impact the 3 kg ball comes to rest. This can happen only if the coefficient of restitution between the balls is____________________?
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MCQs: The maximum pull in a cable, carrying a uniformly distributed load and supported at two ends which are at the same level, is at_____________________?
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MCQs: Minimum pull in a suspended cable with supports at two ends is equal to____________________?
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MCQs: Cartesian form of the equation of catenary is_________________?
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MCQs: Intrinisic equation of catenary is given by____________________?
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MCQs: A rope is wrapped twice around a rough pole with a coefficient of friction ‘A . It is subjected to a force Fj at one end and a gradually increasing force F2 is applied at the other end till the rope just starts slip-ping. At this instant the ratio of F2 to Fi is_____________________?
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MCQs: A heavy ladder resting on floor and against a vertical wall may not be in equilibrium if________________?
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MCQs: One Newton is equivalent to________________?
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MCQs: The dimensions of power are_______________?
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MCQs: The ratio of unit of force in gravitational system to that in absolute system is__________________?
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