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MBD-MODEL PAPER 2-EXERCISE
- Why do all helicopters have two properllers?
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- Give one example each of central force and non-central force.
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- What is fluid friction?
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- What is SI unit of coefficient of viscosity?
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- Can a system be heated and its temperature remain constant?
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- When a gas is suddenly compressed, temperature rises. Why?
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- Why two holes are made to empty an oil tin?
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- Coefficient of friction depends on
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- Sand is thrown on trakcs covered with snow to
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- We slip easily on a rainy day because coefficient of friction
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- Lubricant is used in machine to
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- Angle of friciton (theta) and angle of repose (a) are related as
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- Two water droplets merge with each other to form large droplet. In thi...
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- Surface tension depends on
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- When there are no external forces ,the shape of a liquid drop is deter...
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- The surface of the water in contact with the glass wall is
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- If common salt is dissolved in water, then the surface tension of salt...
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- Define and explain dimensional formula and dimensional equation.
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- What do you mean by positive and negative acceleration?
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- The horizontal range of a projectile fired at an angle of 15^@ is 50 m...
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