- A E B 1 (38.16 KiB) Viewed 10 times
motor supplies a constant force F on the cable at B. Neglect the
mass of the cable and pulleys. The elevator moves with a speed of
10 m/s and rises at 40 m from rest. Hint: Virtual work is
applicable to tension T only.
force at cable B
1. What is the tension in the cable, in _____ N, at A?
2.The acceleration of the counterweight A is _____
m/s2.
3. The constant force, F, in the cable at B is _____ N.
4. The time it took for the elevator to move 40 m from rest is
_____ s.
5. The distance travelled by the block at a time of 3 seconds
starting from rest is _____ m.
The acceleration of the counterweight A is _____
m/s2.
A E B