Q. 1: The Earth pulls down on you with a gravitational force that wecall your we

Question

Q. 1:

The Earth pulls down on you with a gravitational force that wecall your weight. Do you pull up on the Earth with the same amountof force?                                       Marks= 2

Q 2:

Describe a few examples in which the force of friction exertedon an object is in the direction of motion of theobject.                                                                     Marks= 3

Q 3:

Consider a lamp hanging from a chain. What is the tension in thechain?        Marks =5

Q 4:

Does a speeding missile possess force?                                                       Marks= 2

Q 5:

Why does a book sitting on a table never accelerate"spontaneously" in response to the trillions of inter-atomic forcesacting withinit?                                           Marks= 3

Q 6:

Suppose we measure time by using hour glasses filled with sand.Discuss the various errors that would exist if we tried to use thisas a world standard for time. Give a rough estimate for the errorover a 24 hourperiod.                                               Marks = 5

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