MEDIUM
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IMPORTANT
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A frame will be inertial, if it moves with respect to another inertial frame with a constant :-
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Important Questions on Laws of Motion
MEDIUM
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IMPORTANT
The elevator shown in figure is descending, with an acceleration of 2 m/s2. The mass of the block A is 0.5 kg. The force exerted by the block A on the block B is :
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A man weighing 100 kg carries a load of 10 kg on his head. He jumps from a tower with the load on his head. What will be the weight of the load as experienced by the man ?
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Drums of oil are carried in a truck. If the truck accelerates at a constant rate, the surface of the oil in the drum will -
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A body kept on a smooth inclined plane of inclination 1 in x will remain stationary relative to the inclined plane if the plane is given a horizontal acceleration equal to :-
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Two blocks of masses 5 kg and 10 kg are connected to a pulley as shown. What will be their acceleration if the pulley is set free ? (g = acceleration due to gravity)
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Three solids of masses m1, m2 and m3 are connected with weightless string in succession and are placed on a frictionless table. If the mass m3 is dragged with a force T. The tension in the string between m2 and m3 is:-
HARD
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Two particles of masses and are connected by a cord that passes over a massless and frictionless pulley. The tension in the string and the acceleration of the particles is:-
MEDIUM
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IMPORTANT
Three blocks of masses m1, m2 and m3 are connected by massless strings as shown in the figure on a frictionless table. They are pulled with a force of 40 N. If m1 = 10 kg, m2 = 6 kg and m3 = 4 kg, then tension T2 will be :-
