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# Calculate the Weight of a Body Of Mass 100 Gram at Attitude 25°. - Physics

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Sum

The Earth is rotating with angular velocity ω about its own axis. R is the radius of the Earth. If Rω2 = 0 · 03386 m/ s2 , calculate the weight of a body of mass 100 gram at latitude 25°.   (g=9·8m/s2).

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#### Solution

Weight W = m (g-Romega^2cos^2phi)

therefore  W=0.1 (9.8-0.03386 xx cos^2 25)

therefore W=0.1 (9.8-0.0278)

therefore W=0.9772 N

Concept: Angular Velocity
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