11. The 12-kg collar starts from rest at A (H = 3 m and L = 7 m) and is lifted by applying a constant vertical force of

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11 The 12 Kg Collar Starts From Rest At A H 3 M And L 7 M And Is Lifted By Applying A Constant Vertical Force Of 1 (69.22 KiB) Viewed 13 times

11. The 12-kg collar starts from rest at A (H = 3 m and L = 7 m) and is lifted by applying a constant vertical force of F = 420 N to the cord. Assume the rod is smooth. L B H A Answer A or B for the following questions at the instant = 65°. i. The length of the cable AB at the initial instant The length of the cable at the final instant B <5m <5m AB Work done by the force < 1500 N.m < 10 J < 1300 J The kinetic energy of the collar at the initial state The kinetic energy of the collar at the final state The potential energy due to the weight at the initial state The potential energy due to the weight at the final state The position of the collar at the final state (H) < 300 J < 300 J < 5m The velocity of the collar at the final instant < 5 m/s <2.5 hp The power developed by the force iii. IV. V. vi. vii. viii. ix. X. A > 5 m > 5 m > 1500 N.m > 10 J > 1300 J > 300 J > 300 J > 5 m > 5 m/s > 2.5 hp