Three blocks connected by ideal strings are being pulled along a horizontal frictionless surface by a horizontal force F⃗ F→F_vec. (Figure 1) The masses of the three blocks are MA=MA= 11.5 kgkg , MB=MB= 19.5 kgkg , and MC=MC= 38.9 kgkg , Answer the following questions concerning the motion of the blocks. If the blocks are now accelerated at 1.5 m/s2m/s2, what F⃗ F→F_vec is required?

Three blocks connected by ideal strings are being pulled along a horizontal frictionless surface by a horizontal force F⃗ F→F_vec. (Figure 1) The masses of the three blocks are MA=MA= 11.5 kgkg , MB=MB= 19.5 kgkg , and MC=MC= 38.9 kgkg , Answer the following questions concerning the motion of the blocks. If the blocks are now accelerated at 1.5 m/s2m/s2, what F⃗ F→F_vec is required?

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