Download Exam 2 Study Sheet - Physics of Technology | PHYS 1800 and more Exams Physics in PDF only on Docsity! PHYSICS OF TECHNOLOGY - PHYS 1800 Test 2 Study Sheet—Review for Chapters 5-8 Test is Thursday February 19 1:30-2:45 in ESLC 46 Concepts and Terms to Be Familiar With Understand how centripetal acceleration and centripetal force result from the change in direction of velocity. Know what amplitude, period and frequency are in terms of orbits and simple harmonic (periodic) motion. Know how Newton’s Law of Universal Gravity describes the force between two masses. Know the relation between force, work and energy. Know how to define and calculate the kinetic and potential energy of an object. Be able to explain the principle of conservation of energy. Know how to use conservation of energy to calculate the motion of an object. Know how to relate the concepts of work, force and conservation of energy to simple machines. Know how elastic forces are related to periodic motion. Know how impulse is related to force and momentum. Be able to explain the principle of conservation of momentum. Know how to use conservation of energy and momentum to describe the motion for collisions. Know the difference between elastic and inelastic collisions. Know how angular displacement, angular velocity and angular acceleration are related to the equivalent translational motions. Know how torque is related to force and lever arm. Know how the angular form of Newton’s Second Law relates torque to angular acceleration. Be able to explain the principle of conservation of angular momentum. Formulas as They Will Appear on the Test Sheet 2 2 1 tatvd o += 2 2 1 tto αωθ += r vac 2 = ( ) t dd v of − = ( ) t of θθω − = 2r mm GF bagravity = ( ) t vv a of − = ( ) t of ωωα − = 22 3 2 3 4π a b b a a Gm T R T R == amF = ατ Inet = G=6.67·10 -11 N-m2/kg2 dFW Δ= lF=τ g=9.8 m/s2 2 2 1 mvKEtrans = 2 2 1 ωIKErot = mghPEgravity = tFp Δ=Δ tL Δ=Δ τ mvp = ωIL = xkFelastic Δ−= t WP Δ = 2mrI = 221 xkPEelastic Δ=
