For the given many support reactions are there and is the problem beam, how stat

Question

For the given many support reactions are there and is the problem beam, how statically determinate? (2, Yes) (2, No) (3, Yes) (3, No) Explain If vec r = {1 I + 2j} m and vec f = {10 I + 20 j + 30k} N, then the moment of vec F about the y-axis is N middot m? 10 -30 -40 None of the above. Point A on the rod has a velocity of 8 m/s to the right. Where is the Instantaneous center, IC for the rod? Point A Point B. Point C. Point D. Explain: A 20 block is moving along a smooth surface. If the normal force on lb the surface at A is 10 lb, the velocity is 76 ft/s 96 ft/s 10.6 ft/s 12.6 ft/s

Explanation / Answer

1. The supports are of roller type. So , 3 reactions. It is a determinate structure as 3 variables and 3 equations namely, vertical force sum, moments about any two supports.

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