Which of the following statements are false? A. Friction opposes the relative motion between two surfaces in contact. B Gases does not exert pressure on the walls of their container C. Force of gravity is an attractive forcE D. Magnetic force is a contact force
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Answer:
b] Gases does not exert pressure on the walls of its container.
d] Magnetic force is a contact force.
Explanation:
a] Its wrong because you simply take a example of a balloon, whenever we dont close its mouth after filling air, the air rushes out of it.
b] Its a non contact force because we can see attraction or repulsion of magnets even when they are not in contact.
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