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# Lecture4a(1)

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### Transcript

• 1. Frames
• 2. A C D F G K Calculate the forces in member EH MH L R B E N Q
• 3. A C D F G K Calculate the forces in member EH MH L R B E N Q
• 4. A C D F G K MH L R B E N Q
• 5. A C D F G K MH L R B E N Q
• 6. A C D F G K MH L R B E N Q 0180*4240*3* 5 3 *340*3: =+−+−∑ EHG FM kNFEH 67.66=
• 7. Calculate the reaction forces in hinge A when the normal reaction force on the nose wheel is 24 kN.
• 8. O A B C D
• 9. Law of sines and cosines
• 10. Frame A frame is a structure where at least one of its individual members is a multi-force member.
• 11. Calculate the angle of the ramp in B for which the reaction force in A is completely horizontal.A B
• 12. Determine the orientation of the reaction force in A graphically . A B
• 13. Compound-lever snips are designed to replace regular tinners’ snips when large cutting forces are required. For the gripping force of 150 N, what is the cutting force P at a distance of 30 mm along the blade from the pin at A
• 14. A BO C G D A spoiler flap is held open in the position shown. It is loaded by an aerodynamic force P=800 N in point G. Determine the moment M in point A.
• 15. Law of sines and cosines
• 16. A B C D E F G Calculate the force in member FG