Given the Earth orbits the Sun at a distance of 1.49*10^11m with Me = 5.97*10^24kg and Msolar = 1.99*10^30, what is the gravitational force between the Earth and Sun?

Using F = Gm1m2/r^2 and substituting in the values, we get F = 3.57*10^22N.

AS

Related Physics A Level answers

All answers ▸

Show that a mass on a spring obeys simple harmonic motion.


Find the magnitude of the force on an electron that is travelling with velocity 2 x 10^4 ms^(-1) in the x direction through a uniform magnetic field of strength 2T in the y direction.


Show that the radius of an orbit may be expressed as follows: R^3=((GM)/4*pi^2)T^2


A light wave with wavelength 590nm shines upon a metal and causes it to emit an electron with a speed of 5x10^5 m/s. What is the work function of the metal?