Asked by Anonymous
A box is suspended by a string from the ceiling of an elevator. The string supports the box with a force of
17.0 N when the elevator is accelerating downwards at 1.70 m/s2. What force would the string exert if the elevator was moving upwards at a constant velocity
17.0 N when the elevator is accelerating downwards at 1.70 m/s2. What force would the string exert if the elevator was moving upwards at a constant velocity
Answers
Answered by
bobpursley
tension=mass(g-a) going down
17=mass(9.8-1.70)
mass=17/(8.1)
going up
tension=mass(g+a) but a =0
tension=17/(8.1)*(9.8)
17=mass(9.8-1.70)
mass=17/(8.1)
going up
tension=mass(g+a) but a =0
tension=17/(8.1)*(9.8)
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