Question

the mass of earth is 6x10 raise to 24 kg and that of moon 7.4 x 10 raise to 22 . if the distance between earth and the moon is 3.84 x 10 raise to 5 meter calculate the force exerted by the Earth on the moon

Answer 1

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ɧeՐe ɿՏ ՎԾՄՐ

ԹՌՏաeՐ

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We know that G = 6.67 * 10^ -11
$f = g\frac{m {}^{1}m {}^{2} }{r {}^{2} }$

so,
$f = \frac{6.67 \times 10 {}^{ - 11 \times} \times 6 \times 10 {}^{24} \times 7. 4 \times 10 {}^{22} }{(3.84 \times 10 {}^{5} ) {}^{2} }$

$f = 2.01*10^20$

Hope it helps you

$<marquee > prabhudutt$

Answer 2

Answer:

20.2 × 10¹⁹ N

Explanation:

Given :

Mass of earth = 6 × 10²⁴ kg

Mass of moon = 7.4 × 10²² kg

Distance between them = 3.84 × 10⁵ km = 3.84  × 10⁸ m

We have value of G = 6.7 × 10⁻¹¹ N m² kg⁻²

We have to find force :

We have :

F = G m₁ m₂ / r²

F = ( 6.7 × 10⁻¹¹ ) ( 6 × 10²⁴ ) ( 7.4 × 10²² ) / (  3.84 × 10⁸ )² N

F = 20.2 × 10¹⁹ N

Hence force exerted by the earth on the moon is 20.2 × 10¹⁹ N.