下图所示机构自由度计算,( )是正确的。
A: mg src="http://p.ananas.chaoxing.com/star3/origin/cb07ca0fb12be985c301490389c1e187.jpg"
B: F=3×7 –(2×9 + 2 – 2)– 2 = 1
C: F=3×7 –(2×9+ 2– 0)– 0 = 1
D: F=3×7 –(2×8+ 2 – 0)– 2 = 1
E: F=3×5 –(2×6+ 2– 0)– 0 = 1
A: mg src="http://p.ananas.chaoxing.com/star3/origin/cb07ca0fb12be985c301490389c1e187.jpg"
B: F=3×7 –(2×9 + 2 – 2)– 2 = 1
C: F=3×7 –(2×9+ 2– 0)– 0 = 1
D: F=3×7 –(2×8+ 2 – 0)– 2 = 1
E: F=3×5 –(2×6+ 2– 0)– 0 = 1
举一反三
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