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MODERN PUBLICATION-Friction-Exercise
- What is friction?
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- Define limiting factor.
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- Which of the following is a self adjusting force?
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- What is the unit of coefficient of limiting friction?
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- Why is it difficult to walk on sand?
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- Is a large brake on a bicycle wheel more effective than small one ? Ex...
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- It is difficult to move a cycle along a road with its brakes on. Why?
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- Proper inflation of tyres saves fuel. this is because:
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- Why are lubricants used in machines ?
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- Which of the following is not used to reduce friction
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- What are the methods of reducing friction?/
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- Give old and modern views of the cause of friction.
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- what do you mean by friction ? Explain the cause of sliding friction.
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- Explain the term limiting friction
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- Define the following : angle of repose.
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- Define the following : coefficient of limiting friction.
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- What is the difference between static friction an rolling friction ? W...
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- What is the difference between static friction and kinetic friction ?
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- Explain the term limiting friction
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- Draw a graph showing the variation of frictional force with the applie...
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