The mass of planet Jupiter is `1.9xx10^(7)kg` and that of the Sun is `1.9x10^(30)kg`. The mean distance of Jupiter from the Sun is `7.8xx10^(11)`m. Calculate te gravitational force which Sun exerts on Jupiter. Assuming that Jupiter moves in circular orbit around the Sun, also calculate the speed of Jupiter `G=6.67xx10^(-11)Nm^(2)kg^(-2)`.
Text Solution
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`M_(j)=1.9xx10^(27)kg` `-M_(s)=1.99xx10^(30)kg,r=17.8xx10^(11)m` `G=6.67xx10^(-11)Nm^(2)kg^(-2),F=?` Now `F=(GM_(j)M_(s))/(r^(2))=(6.67xx10^(-11)xx1.9xx10^(27)xx1.99xx10^(30))/((7.8xx10^(11))^(2)` `=4.15xx10^(23)N`
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