WebAbout Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ... WebOrdinary bolts have poor shear resistance and can be used in secondary structural parts. Ordinary bolts only need to be tightened. Ordinary bolts are generally 4.4, 4.8, 5.6 and 8.8. High-strength bolts are generally 8.8 and 10.9, of which 10.9 is the majority. Level 8.8 is the same level as 8.8S. The force performance and calculation methods ...

Friction Class 8 Important Questions and Answers – Study Path

WebOrdinary bolts have poor shear resistance and can be used in secondary structural parts. Ordinary bolts only need to be tightened. Ordinary bolts are generally 4.4, 4.8, 5.6 and … WebQuestion of Class 8-Advantages and Disadvantages of friction : Advantages and disadvantages of friction:Friction always opposes the relative motion between any two bodies in contact. Therefore extra energy has to be spent in overcoming friction. This reduces the efficiency of machine state cat of massachusetts

Friction Class8 PDF Friction Temporal Rates - Scribd

WebApr 25, 2024 · CBSE Class 8 Science Notes Chapter 12 Friction. Friction opposes the relative motion between two surfaces in contact. It acts on both the surfaces. Factors … WebAug 9, 2024 · 13. •Friction is the force that opposes motion between any surfaces that are in contact. •There are four types of friction: static, sliding, rolling, and fluid friction. •Static, sliding, and rolling friction occur … WebMar 7, 2024 · Nature of fluid. If fluid is more viscous or thick,there will be more friction. If fluid is less viscous or thin,there will be less fiction. Example - Water is thicker than air,so there is more friction in water … state cat of texas