MCQ
Suppose the earth suddenly stops attracting objects placed near surface. A person standing on the surface of the earth will:
- ARemain standing.
- BFly up.
- CSink into earth.
- DEither (b) or (c).
Explanation:
If downward force on the earth stops, so upward self adjusting force also stop. In vertical direction, there is no force. Due to inertia person resists any change to its state of rest. Person will remain standing.
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$\text{m}\omega^2\text{l}$
$\text{Zero.}$
$\text{mg}$
$\frac{1}{2}\text{m}\omega^2\text{l}$
