Question

A 4.9 kg bucket of water is raised from a well
by a rope.
The acceleration of gravity is 9.81 m/s2 .
If the upward acceleration of the bucket is
3.3 m/s2, find the force exerted by the rope
on the bucket of water.
Answer in units of N.

Answer 1

A 5000 kg helicopter accelerates upward at
2.25 m/s2.
The acceleration of gravity is 9.8 m/s2 .
What lift force is exerted by the air on the
propellers?
Answer in units of N.

Answer 2

490000