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Weight of the body is: ...
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Which of the following is/are correct: ...
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I want some question bank on Chapter Motion for Practice. ...
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A body of mass M is kept in rest on an inclined plane of inclination angle ~ heta . Net force acting on it is: ...
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Gradient of an inclined plane gives us an idea about (according to literal definition): ...
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Condition for equilibrium: ...
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Mechanical advantage is ...
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Match the following: I)pulley    p)always changes direction of application of force II)class I lever q) vr always greater than 1 III) class II lever r) vr always less than 1 IV) class III lever s) lever ...
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If I am walking towards east, friction acting on me has a direction: ...
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Use of class III lever ...
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The use of Fulcrum: ...
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Which of the following will never be found inside a robot? ...
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Look at the image I have uploaded. The Earth is pushing the space layer. Einstein used this to define gravity. He said that if an object of smaller mass would be somewhere around the space where the earth made the layer hollo ...
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*Image* The figure shows a block in the influence of a force 500N. Friction working is 100N. The net force causes a displacement of 3m of the body.Find the work done against friction. ...
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A hammer weighing 2.5 kg is moving with a speed of 1m/s strikes the head of the nail driving it 10 cm into the wall. The acceleration during impact and the impulse imparted to the wall will be respectively.......... ...
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→ → → → when A * B (A cross product B)= |A||B|sinθn(unit vector) the direction of the unit vector is taken like this *Image* then my problem is,why the direction of the unit vector is not taken in this direction? *Im ...
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Why does the earth move in an eliptical orbit? ...
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A candle should not be blown off because even the gas that we exhale has a lot of oxygen.. But we all know that presence of oxygen should not lead to dying of the flame Explain this very commonly seen phenomenon? ...
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From Boyle's Law we get V=K/P (K=constant) So, if a comparatively infinite pressure is exerted on a container containing gas, will the volume not become 0? (provided that the gas does not liquiefy or solidify on application o ...
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Which weighs more: a kilogram of feathers or a kilogram of iron? ' Hint: "They dont weigh the same" :D ...
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In d Modern Physics chapter in our syllabus(ICSE X), under d Beta emission heading i found something called "anti-neutrino". wud nyone plz say wat is dat. ...
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Why is it that momentum is mv while kinetic energy is 1/2 m v2 and not some other way.. like momentum is 2mv, while KE is mv2 A very very basic and important question which i would like some class IX-X students to answer firs ...
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A kilo of iron and a kilo of feathers have same mass.... But in vacuum the scale will tilt toward the feathers..though they weigh same....YA BOSS.... Why? ...
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We say that something is white in colour because it reflects all the incident wavelengths... Why is it that Mirror is not white? Because, even mirror reflects back all the incident colours! ...
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a bear fell from a height of 19.66 m in 2 s.what is the colour of bear to be most likely expected? well u don have to make mere guesses u have to solve this one n show ur working ;) ...
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At moon the weight of things become 1/6th of weight of earth.What is the ratio of time period of simple pendulum at earth to that of moon? ...
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Why can you warm your hands by blowing gently, and cool your hands by blowing hard? ...
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In winter season we feel dat an iron bar is very cool to touch compared to a fire wood why it happens but we know that the temperature shud be the same. ...
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Why can we hear but not see around a corner? (Means around the wall) ...
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You want to cool the kitchen by leaving the refrigerator door open. How well will it work? ...