Mass of the Sun is 1.99 × 1030 kg, mass of the Earth is 5.98 ×...

Question

Question

Mass of the Sun is 1.99 × 1030 kg, mass of the Earth is 5.98 × 1024 kg. Orbit radius of the Earth is 1.50 × 1011 m.

1) Determine the magnitude of the force of gravity between the Sun and Earth. (Express your answer to three significant figures.)

Answer 1

Answer #1

Mass of sun = M = 1.99 x 10^30 kg

Mass of earth = m = 5.98 x 10^ 24 kg

distance = r = 1.50 x 10^ 11m

here G is gravitational constant 6.67 x 10^ -11

hence Force = (6.67 x 10^ -11 x 1.99 x 10^ 30 x 5.98 x 10^ 24 ) / (2.25 x 10^ 22)

hence force = 35.27 x 10^ 21 N

Answer 2

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