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a.) A 70 kg skater is lifted upward by her teammates with an acceleration of 2.8...

a.) A 70 kg skater is lifted upward by her teammates with an acceleration of 2.8 m/s^2. How much force do her teammates exert on her?
b.) The skater and her teammates take a victory lap around the rink. How much force do her teammates need to exert to hold her motionless over their heads?
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Answer #1

(a) I skater img F - mg ama F = m(gra) 70 (9.8 +2.8) - 882 Nm (b) motion less uzo at all times To hold => a 20 F = mg 2 70*9.

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