Recent content by Vidrinho

I'm pretty sure about statement I. Force and velocity are different things. If we give the cart an initial velocity perpendicular to the plane and in the opposite direction to the cart's horizontal component, it could move up the plane with no other forces acting other than those specified in...

TL;DR Summary: Inclined plane; simple pendulum; true or false question; Newton's laws; dynamics (CESGRANRIO-RJ) In the figure, the cart moves along an inclined plane, subjected only to gravitational interactions and the surface of the inclined plane. Stuck to the cart's ceiling, there's a...