7. In Figure 6, the cups and the ams of an anemometer are fabricated from a material ofdensity p. Knowing that the mass moment of inertia of a thin, hemispherical shell of massmand thickness t with respect to its centroidal axis GG' is 5ma'n2, determinethe mass moment of inertia of the anemometer with respect to the axis AA'b. the ratio of a to l for which the centroidal moment of inertia of the cup is equal to 1%of the moment of inertia of the cups with respect to the axis AA'.a.Page 5 of 8Figure 6Pane 6 of8 Page 6 of 88. Figure 7 shows a four-wheel drive car of mass m = 970 kg. The coefficients of friction isu=0.6. Neglect the mass of the tyres.(a) Determine the greatest possible acceleration of the race car so that its front tyres do notkave the ground nor the tyres slip on the track.(b) Determine the corresponding reactions on tyres A and B.(c) From (b) above, recalculate the coefficient of friction. If it is not same as either thegiven values H, or Hk, then in one sentence, state or explain why the difference invalues?h=0.55 ma= 1.82 mBb = 2.20 mFigure 7Page 7 of 8

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7. In Figure 6, the cups and the ams of an anemomcter are fabricated from a material of density p. Knowing that the mass moment of inertia of a thin, hemispherical shell of mass mand thickness t with respect to its centroidal axis GG' is 5ma'n2, determine a the mass moment of inertia of the anemometer with respect to the axis AA' b. the ratio of a to I for which the centroidal moment of inertia of the cup is equal to 1% of the moment of inertia of the cups with respect to the axis AA'.

7. In Figure 6, the cups and the ams of an anemomcter are fabricated from a material of density p. Knowing that the mass moment of inertia of a thin, hemispherical shell of mass mand thickness t with respect to its centroidal axis GG' is 5ma'n2, determine a the mass moment of inertia of the anemometer with respect to the axis AA' b. the ratio of a to I for which the centroidal moment of inertia of the cup is equal to 1% of the moment of inertia of the cups with respect to the axis AA'.

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter7: Dry Friction

Section: Chapter Questions

Problem 7.49P

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