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QUESTION :-
WHAT IS GRAVITATION ?

Using a wheel and axle, a farmer is trying to lift a bucket of water from the bottom of a well. the larger wheel has a radius of 40 cm compared to the axle that has a radius of 10 cm. if a bucket of water is 50 n, then how much effort is required to raise it? 12.5 n 200 n 2 n 500 n

Abowling ball rolling down the lane toward the pins has gravitational potential energy. a. no b. a lot of c. a little

7types of electromagnetic waves from lowest to highest frequency