Aragón PAU Technology And Engineering II Practice Questions - Aragón PAU Technology And Engineering II (Tecnología E Ingeniería II 2o Bachillerato) Exam

Question Number 5


In a Charpy impact test, a heavy pendulum striker of mass m = 20 kg is released from a height h1 = 1.5 m. After fracturing the notched test specimen, the pendulum swings to a maximum height h2 = 0.6 m on the opposite side. Assuming g = 9.8 m/s², what is the impact energy absorbed by the specimen?
✔ Correct Answer:
176.4 J