FE MECHANICAL EXAM
1. tangential acceleration for constant radius
Answer a(theta) = r*a
2. radial acceleration for constant radius
Answer -r*w^2
3. Velocity equation given time and constant acceleration
Answer v= v0 + a*t
4. Position give acceleration for constant acceleration
Answer s=s0 + v0*t +0.5*a *t^2
5. Position given initial and final velocity for constant acceleration
Answer s=s0 + 0.5(v0 + v)t
6. Relative Motion Equation
Answer Va = Vb + Va/b (works for position and accleration)
7. Tangential velocity given rotational velocity equation
Answer Vt = r*w
,8. Tangential acceleration equation
Answer a = rα
9. centripetal acceleration given tangential velocity
Answer An = Vt / r
10. centripetal acceleration given rotational velocity
Answer an = -r*w^2
11. Work Equation
Answer work = force x distance
12. kinetic energy equation for linear motion
Answer KE=1/2mv^2
13. kinetic energy equation for rotational motion
Answer KE = 0.5*I*w^2
14. potential energy formula due to gravity
Answer PE=mgh=W*y
15. Potential Energy in Linear Springs
, Answer PE = 0.5*k*x^2
16. Potential Energy in Rotation Springs
Answer PE = 0.5 * k * (theta)^2
17. Kinetic Energy for Particles
Answer T = 0.5*m*v^2
18. Kinetic Energy for Rigid Bodies
Answer T = 0.5*m*v^2 + 0.5*I*w^2
19. elastic potential energy equation
Answer U = 1/2 k x^2
20. Change in Potential Energy when Spring Length Changes
Answer V2 - V1 = k(s2^2 - s1^2)/2
21. Work
Answer U = F*change in distance
22. Power equation
Answer U = power = work/time
, 23. Voltage equation
Answer V=IR
24. Resistors/Springs in Series
Answer Add together
25. Resistors/Springs in Parallel
Answer Add inverses together
26. specific volume equation
Answer v = 1/density
27. Specific Weight Equation
Answer y = density*gravity
28. specific gravity (SG) for liquids
Answer SG = density of substance/density of water
29. specific gravity for gas
Answer SG = density of gas / density of air at STP
30. Newtonian fluid
1. tangential acceleration for constant radius
Answer a(theta) = r*a
2. radial acceleration for constant radius
Answer -r*w^2
3. Velocity equation given time and constant acceleration
Answer v= v0 + a*t
4. Position give acceleration for constant acceleration
Answer s=s0 + v0*t +0.5*a *t^2
5. Position given initial and final velocity for constant acceleration
Answer s=s0 + 0.5(v0 + v)t
6. Relative Motion Equation
Answer Va = Vb + Va/b (works for position and accleration)
7. Tangential velocity given rotational velocity equation
Answer Vt = r*w
,8. Tangential acceleration equation
Answer a = rα
9. centripetal acceleration given tangential velocity
Answer An = Vt / r
10. centripetal acceleration given rotational velocity
Answer an = -r*w^2
11. Work Equation
Answer work = force x distance
12. kinetic energy equation for linear motion
Answer KE=1/2mv^2
13. kinetic energy equation for rotational motion
Answer KE = 0.5*I*w^2
14. potential energy formula due to gravity
Answer PE=mgh=W*y
15. Potential Energy in Linear Springs
, Answer PE = 0.5*k*x^2
16. Potential Energy in Rotation Springs
Answer PE = 0.5 * k * (theta)^2
17. Kinetic Energy for Particles
Answer T = 0.5*m*v^2
18. Kinetic Energy for Rigid Bodies
Answer T = 0.5*m*v^2 + 0.5*I*w^2
19. elastic potential energy equation
Answer U = 1/2 k x^2
20. Change in Potential Energy when Spring Length Changes
Answer V2 - V1 = k(s2^2 - s1^2)/2
21. Work
Answer U = F*change in distance
22. Power equation
Answer U = power = work/time
, 23. Voltage equation
Answer V=IR
24. Resistors/Springs in Series
Answer Add together
25. Resistors/Springs in Parallel
Answer Add inverses together
26. specific volume equation
Answer v = 1/density
27. Specific Weight Equation
Answer y = density*gravity
28. specific gravity (SG) for liquids
Answer SG = density of substance/density of water
29. specific gravity for gas
Answer SG = density of gas / density of air at STP
30. Newtonian fluid
