En un almacen de maquinas se emplea una prensa hidraulica para levantar equipo pesado para repararlo. El sistema tiene un piston pequeño cuya seccion transversal tiene un area de 0,07M^2 y el piston grande una seccion transversal de 0,21M^2 de area. Un motor que pesa 2700N descansa sobre el pistón grande ¿Que fuerza se debe aplicar sobre el piston pequeño para que levante el motor

In the sport of parasailing, a person is attached to a rope being pulled by a boat while hanging from a parachute-like sail. a rider is towed at a constant speed by a rope that is at an angle of 15 ∘ from horizontal. the tension in the rope is 1900 n. the force of the sail on the rider is 30∘ from horizontal. what is the weight of the rider? express your answer with the appropriate units.

Slab pull” is a type of tectonic plate movement that occurs due to the forces of mantle convection and results in the subduction of the lithosphere true or false

If there's a small amount of friction between two surfaces, the result could be select all that applya. no movement b. heatc. a little bit of movementd. sliding around