Two blocks each of mass m= 3.50 kg are fastened to the top of an elevator as in Figure P4.21.

 (a) If the elevator has an upward acceleration a=1.60 m/s2, find the tensions T1 and T2 in the upper and lower strings. 

(b) If the strings can withstand a maximum tension of 85.0 N, what maximum acceleration can the elevator have before the upper string breaks?

 

Transcribed Image Text:

T₁ m T₂ m Ted Figure P4.21 T₁ m T₂ m Ted Figure P4.21

Answer rating: 100% (QA)

STEP 1 We need to analyze the forces acting on each block For the upper block block 1 there are two ... View the full answer