Example Problem: Add 12m ∠120° and 5m ∠45°

Example problem: Three vectors are in equilibrium. Solve for the T1 and T2.

Example problem: An 50kg object sits on a table. It requires 900N of force to get it to start moving but once it is in motion it only requires 100N of force to keep it moving. Calculate the coefficient of static friction and the coefficient of kinetic friction.

Example problem: A ball is thrown upwards at 40m/s. How long will it take to hit the ground? What speed will it hit the ground?

Example problem: How much energy is required to bring 1kg of water at -10 ˚C to 110 ˚C?

Example problem: A 3kg mass is attached to a 2kg pulley. What is its acceleration?