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Newton's Laws Flashcards

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Newton's Laws Flashcards

Normal force

The force or the component of a force which a surface exerts on an object with which it is in contact, and which is perpendicular to the surface

Frictional force

The force that opposes the motion of an object and which acts parallel to the surface

Static frictional force

The force that opposes the tendency of motion of a stationary object relative to a surface

Kinetic frictional force

The force that opposes the motion of a moving object relative to a surface

Weight

The gravitational force the Earth exerts on any object on or near its surface

State Newton's first law of motion

A body will remain in its state of rest or motion at constant velocity unless a non-zero resultant/net force acts on it

State Newton's second law of motion

When a net force acts on an object, the object will accelerate in the direction of the force and the acceleration is directly proportional to the force and inversely proportional to the mass of the object

State Newton's third law of motion

When object A exerts a force on object B, object B SIMULTANEOUSLY exerts an oppositely directed force of equal magnitude on object A

State Newton's Law of Universal Gravitation

Each body in the universe attracts every other body with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centres

State Newton's second law of motion in terms of momentum

The net (or resultant) force acting on an object is equal to the rate of change of momentum of the object in the direction of the net force

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Normal force

The force or the component of a force which a surface exerts on an object with which it is in contact, and which is perpendicular to the surface

Frictional force

The force that opposes the motion of an object and which acts parallel to the surface

Static frictional force

The force that opposes the tendency of motion of a stationary object relative to a surface

Kinetic frictional force

The force that opposes the motion of a moving object relative to a surface

Weight

The gravitational force the Earth exerts on any object on or near its surface

State Newton's first law of motion

A body will remain in its state of rest or motion at constant velocity unless a non-zero resultant/net force acts on it

State Newton's second law of motion

When a net force acts on an object, the object will accelerate in the direction of the force and the acceleration is directly proportional to the force and inversely proportional to the mass of the object

State Newton's third law of motion

When object A exerts a force on object B, object B SIMULTANEOUSLY exerts an oppositely directed force of equal magnitude on object A

State Newton's Law of Universal Gravitation

Each body in the universe attracts every other body with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centres

State Newton's second law of motion in terms of momentum

The net (or resultant) force acting on an object is equal to the rate of change of momentum of the object in the direction of the net force