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Everyday application of the basic principles of Mechanics


1. 

When an object is stationary, all of the forces acting on it are balanced

Answer : A. TRUE

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2. 

Which of Newton's Laws explains why satellites need very little fuel to stay in orbit?

Answer : A. First

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3. 

Two model rockets are launched using indentical engines which exert identical forces. Which Law descibes why the heavier rocket has a smaller acceleration.

Answer : B. Second

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4. 

Arrange the below mentioned Newtons law in order 1. For every action, there is an equal and opposite reaction 2. The greater the mass of an object, the more force it will take to accelerate the object 3. Any object in motion will continue to move in the same direction and speed unless forces act on it

Answer : C. 3 2 1

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5. 

What is the unit of measurement used in physics for force?

Answer : D. Newton

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6. 

How could you tell if a moving object is receiving an unbalanced force?

Answer : D. It may do any mentioned thing

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