Electron has the least amount of mass!
Answer:
Since the gravitational force is directly proportional to the mass of both interacting objects, more massive objects will attract each other with a greater gravitational force. So as the mass of either object increases, the force of gravitational attraction between them also increases.
Answer:
Explanation:
The weight of the wheelbarrow will act downwards . Its component parallel to the plank will act downwards along the plank .
The value of component = mgsinθ
21.6 x 9.8 x sin20
= 72.4 N
The person shall have to apply force equal to this component so that the barrow moves with uniform velocity.
Force required = 72.4 N .
Answer:
F = I L B describes the perpendicular force on a wire of length L in a uniform field B
B = F / (I L) = 1.2 / (9 * 2.5) = .053 Tesla
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