MEDIUM
NEET
IMPORTANT
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A small sphere is suspended by a string from the ceiling of a car. If the car begins to move with a constant acceleration , the inclination of the string with the vertical is :-
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Important Questions on Laws of Motion
EASY
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IMPORTANT
The force exerted by a person on the floor of an elevator is more than the weight of the person if the elevator is:-
Going up and slowing down.
Going up and speeding up.
Going down and slowing down.
Going down and speeding up.
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The ratio of weights of a man in a stationary lift and in a lift accelerating downwards with a uniform acceleration is 3 : 2. The acceleration of the lift is:-
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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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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)
