MATH2206

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What is the Vector?

• Abstract quantity characterised by the two properties magnitude and direction

• Point of the curve that has a unique tangent line whose direction can be characterised by the unit t

• Idealised body that occupies only a single point of space

• Abstract quantity characterised by the two properties velocity and acceleration

Newton's first law

• When all external influences on a particle are removed, the particle moves with constant velocity

• When a force F acts on a particle of mass m, the particle moves with instantaneous acceleration a given by the formula: F=ma

• When two particles exert forces upon each other, these forces, equal in magnitude, opposite in direction and parallel to the straight line joining the two particles

Newton's second law

• When all external influences on a particle are removed, the particle moves with constant velocity

• When a force F acts on a particle of mass m, the particle moves with instantaneous acceleration a given by the formula: F=ma

• When two particles exert forces upon each other, these forces, equal in magnitude, opposite in direction and parallel to the straight line joining the two particles

Fundamental forces

• Gravitational forces between objects

• Electromagnetic forces between electric charges

• Strong forces between subatomic particles

• Weak forces that arise in certain radioactive decay processes

Newton's third law

• When all external influences on a particle are removed, the particle moves with constant velocity

• When a force F acts on a particle of mass m, the particle moves with instantaneous acceleration a given by the formula: F=ma

• When two particles exert forces upon each other, these forces, equal in magnitude, opposite in direction and parallel to the straight line joining the two particles

Mass is

• Property of an object that specifies how much resistance an object exhibits to changes in its velocity

• Property of an object that specifies how much force it inserts to place depending on gravitational acceleration

• Inherent property of an object and is independent of the object's surroundings and method used to measure it

• Scalar quality

• Vector quantity

Mass is

• Property of an object that specifies how much resistance an object exhibits to changes in its velocity

• Property of an object that specifies how much force it inserts to place depending on gravitational acceleration

• Inherent property of an object and is independent of the object's surroundings and method used to measure it

• The magnitude of the gravitational force exerted on the object and varies with location

the particle in equilibrium

• If the acceleration of an object modeled as a particle is zero

• If the acceleration of an object modeled as a particle is less than centripedal acceleration

• If there is counter weight with greater acceleration

• If there is counter weight with less acceleration

Force of friction

• resistance to the motion

• The force on the object that counteracts and keeps it from moving acts

• The force that countreacts to the objects weight

• the force that have the same vector tagectory as a acceleartion and helps to moving force