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Normal force print that page

In mechanics , the normal force (occasionally N ) is the component, perpendicular to the surface of contact, of the contact force exerted on an object by, for example, the surface of a floor or wall, preventing the object from penetrating the surface. The normal force is one of the | 2011/10/4 12:39:09

Force print that page


In physics , a force is any influence that causes a object to undergo a change in speed, a change in direction, or a change in shape. Force can also be described by intuitive concepts such as a push or pull that can cause an object with mass to change its velocity (which includes to begin

Apparent weight print that page

example making it zero in the case of levitation . Contents 1 Definition 2 Relation with g force and mechanical resistive forces 3 Case without non-gravitational external forces 4 Objects at rest 5 Objects accelerating vertically 5.1 Free-fall 5.2 "Beyond" free-fall | 2011/5/11 0:06:55

Ground reaction force print that page

In physics , and in particular in biomechanics , the ground reaction force (GRF) is the force exerted by the ground on a body in contact with it. [ 1 ] For example, a person standing on the ground exerts a contact force on it (equal to the person's weight ) and at the same time an equal | 2011/3/9 22:35:15

Gotcha Force print that page

External links [ edit ] Story The Earth is being attacked by "Gotcha Borgs" called the Death Force . Luckily, a child named Kou finds a borg called G-Red and forms the Gotcha Force . Allied by his friends, Kou counter-attacks and aims to get rid of the menace, known as the Death Force | 2010/9/25 16:14:25

Centripetal force print that page

The magnitude of the centripetal force on an object of mass m moving at a speed v along a path with radius of curvature r is: [ 5 ] where a c is the centripetal acceleration. The direction of the force is toward the center of the circle in which the object is moving, or the osculating | 2011/8/5 22:48:54

Friction print that page

components. Friction is a component of the science of tribology . Friction is not a fundamental force but occurs because of the electromagnetic forces between charged particles which constitute the surfaces in contact. Because of the complexity of these interactions friction cannot be calculated | 2011/10/4 13:13:17

Banked turn print that page


about its longitudinal axis with respect to its path. Contents 1 Turn on flat surfaces 2 Normal reaction in a banked turn 3 Frictionless banked turn 4 Banked turn with friction 5 Banked turn in aeronautics 6 See also 7 Notes 8 References 9 External links [ edit

Pressure print that page


Pressure is an effect that occurs when a force is applied on a surface. Pressure is the amount of force acting on a unit area. The symbol of pressure is P . [ 1 ] [ 2 ] [ edit ] Formula Conjugate variables of thermodynamics Pressure Volume ( Stress ) ( Strain ) Temperature

Non-uniform circular motion print that page

tangential acceleration, there are forces that act on an object in addition to its centripetal force (composed of the mass and radial acceleration). These forces on the object include forces such as weight, normal force , and other forces acted on the object due to the environment it is | 2010/9/26 3:56:28