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For a vechicle placed on a convex bridge: N=mg-F_cf. For a vehicle placed on a concave bridge: N=mg+F_cf. Where mg is the gravitational force and F_cf is the centrifugal forc...

Potential is the potential energy per unit at a certain location. For example in a electric field the electric potential energy depends on both the location of the charge in the field and the charge we ar...

Velocity is displacement over time, whereas speed is distance over time. Displacement is the shortest distance from point A to point B(a straight line). In this case, the starting point(point A) is the en...

A Scalar quantity has magnitude, but not direction. For example Speed is a scalar quantity.A Vector quantity has both direction and magnitude. For exampl...

As this is an isolated system and a simple pendulum starting at rest, at maximum height, all the energy is in potential energy. The known equation for potential energy is simply mgh (mass x acceleration d...