Posted by Hunter on .
A 0.31 kg pendulum bob passes through the lowest part of its path at a speed of 2.02 m/s.
The acceleration of gravity is 9.8 m/s2 .
What is the tension in the pendulum cable at this point if the pendulum is 72 cm long?
Answer in units of N

Physics 
drwls,
Tension = M*[(V^2/L) + g)]