Q121
Open questionRate of doing work is called
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Q122
Open questionThe energy associated with motion is called
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Q123
Open questionThe boiling point of water decreases at higher altitudes is due to
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Q124
Open questionAt boiling point of liquids, its
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Q125
Open questionContact force is another name for ________
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Q126
Open questionThe rotational effect of a force on a body about an axis of rotation is described in terms of
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Q127
Open questionAt hill stations, the boiling point of water will be
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Q128
Open questionInstrument used to measure the force and velocity of the wind is
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Q129
Open questionWhen pressure is increased the melting point of ice
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Q130
Open questionThe wall of a dam is made thicker at the bottom than at the top because the pressure exerted by the water on the wall
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Q131
Open questionThe wall of a dam is broader at the base
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Q132
Open questionIt is easy to burst a gas-filled balloon with a needle than with a nail. It is because
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Q133
Open questionThe force exerted on an object is 200 N and its mass is 100 kg. Find the acceleration of the object.
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Q134
Open questionThe spokes used in the wheel of a bicycle increase its
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Q135
Open questionIt is difficult to cook rice
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Q136
Open questionEnergy per unit volume is dimensionally equal to
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Q137
Open questionTo open a door easily, the handle should be fixed
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Q138
Open questionWater boils at a lower temperature on the hills because
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Q139
Open questionThe force exerted by a magnet is an example of ________
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Q140
Open questionA man standing close to the platform at a railway station experiences a pulling force towards a fast moving train because of ________ .
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