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Why must you bend forward when carrying ...

Why must you bend forward when carrying a heavy load on your back?

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NCERT TAMIL-GRAVITATION-Think and discuss
  1. Where does the centre of gravity of a sphere and triangular lamina lie...

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  2. Can an object have more than one centre of gravity?

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  3. Why doesn't the leaning tower of Pisa topple over?

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  4. Why must you bend forward when carrying a heavy load on your back?

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  5. Can an object move along a curved path if no force acts on it?

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  6. As a car speeds up when rounding a curve, does its centripetal acceler...

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  7. Calculate the tension in a string that whirls a 2 kg - toy in a horizo...

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  8. In figure 7, we see that the moon 'falls' around earth rather than str...

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  9. According to the equation for gravitational force, what happens to the...

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  10. If there is an attractive force between all objects, why do we not fee...

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  11. Is the force of gravity stronger on a piece of iron than on a piece of...

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  12. An apple falls because of the gravitational attraction of earth. Wha...

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  13. Give an example for the motion of an object of zero speed and with non...

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  14. Two stones are thrown into air with speeds 20 m/s, 40m/s respectively?...

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  15. When is your weight equal to mg?

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  16. Give example of when your weight is zero?

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  17. Where does the centre of gravity of a sphere and triangular lamina lie...

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  18. Can an object have more than one centre of gravity?

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  19. Why doesn't the leaning tower of Pisa topple over?

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  20. Why must you bend forward when carrying a heavy load on your back?

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