Link BC (of length 0.47 m) is pin connected at the fixed point C and makes an angle of ⍬ = 51° with the vertical. This link is connected to the vertical link AB (of length 0.3 m) and point A is also the axle of a wheel of negligible size that is moving along a circular track of radius r =2.3 m. If the speed of A is constant and VA = (-2.59)i m/s, which one of the following statements is correct? (In the following statements, wAB and wBC denote ⍵AB and ⍵BC respectively, where both are defined positive in the k-direction and given in rad/s, and A denotes the magnitude of point
Link BC (of length 0.47 m) is pin connected at the fixed point C and makes an angle
of ⍬ = 51° with the vertical. This link is connected to the vertical link AB (of length
0.3 m) and point A is also the axle of a wheel of negligible size that is moving along
a circular track of radius r =2.3 m. If the speed of A is constant and VA = (-2.59)i
m/s, which one of the following statements is correct? (In the following
statements, wAB and wBC denote ⍵AB and ⍵BC respectively, where both are defined
positive in the k-direction and given in rad/s, and A denotes the magnitude of point
A's acceleration in m/s2)
1) wAB=0; wBC=0; aA=0
2) wAB=6,99; wBC=-7.09; aA=0
3) wAB=8.63; wBC=0; aA=0
4) wAB=8.63; wBC=0; aA >0
5) wAB=6.99; wBC=-7.09, aA>0
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