Earths Rotation and Centripetal Acceleration
Most recent answer: 10/22/2007
- Keith (age 47)
Yup, wed all weigh just a little more if the Earth were not rotating.
(published on 10/22/2007)
Follow-Up #1: effect of Earth's spin on weights
- David Martin (age 41)
You're right. The net effective downward force in the spinning frame on mass M is M*(g-ω2*r*cos2(φ)). In addition, there's a slight effective force toward the equator of M*ω2*r*cos(φ)sin(φ). You can get this by taking that centrifugal force and breaking it into an upward and a horizontal component, with magnitudes proportional to cos(φ) and sin(φ) respectively.
(published on 04/13/2014)