Physics
Which of the following is correct about the properties of Gravitational Forces?

None
Both a and b
They are the strongest forces in nature
They observe inverse square law

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Physics
What is the principle of a ''Life Jacket"?

It increases the volume of the person to keep him afloat
It decreases the volume of the person to keep him afloat
The person can sit on it like a raft
It provides oxygen to a drowning person

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