Question

$R$ is the radius of Earth and $ω$ is its angular velocity and $g_p$ is the value of $g$ at the poles. The effective value of $g$ at a latitude $λ=60°$.

• A. $g_p-\frac 14Rω^2$
• B. $g_p+\frac 14Rω^2$
• C. $g_p-\frac 12Rω^2$
• D. $g_p+\frac 12Rω^2$

Answer 1

Answer: (A)

$g_p-\frac 14Rω^2$

Answer 2

The correct option is (A): $g_p-\frac 14Rω^2$.