SV-GES-L2.4

Friction and lifting machines

SV-GES-M2 · Mechanics · SV-GES-M2-A Kinematics, dynamics, statics, friction, machines and strength of materials (GES I section 2).

Friction is why bearings need oil and why a screw jack holds its load. Machines trade effort for distance; the numbers that describe them are **mechanical advantage, velocity ratio and efficiency**.

Independent study. xplor is not an accredited training provider and awards no certificate or Certificate of Competency. GES I and II must be completed at an MCA-approved training provider and passed in the MCA Small Vessel Competency examinations unless the MCA grants an exemption under MSN 1904 section 8.6. AI-drafted content pending subject-matter-expert review.