Kinetics of a Particle: Work and Energy Method

A set of flashcards covering key terms and concepts from the lecture on kinetics of a particle focusing on the work and energy method.

Work Done

The product of the force applied to an object and the distance over which that force is applied.

Kinetic Energy (K.E.)

The energy that a body possesses due to its motion, expressed as K.E. = 1/2 mv².

Conservation of Energy

The principle that the total energy in a closed system remains constant; energy can be transformed but not created or destroyed.

Friction Coefficient (μ)

A dimensionless scalar that represents the frictional force between two bodies; the ratio of the force of friction between two bodies and the normal force between them.

Force (F)

An interaction that causes an object to change its motion, typically measured in Newtons (N).

Displacement (s)

The distance and direction an object has moved from its starting point.

Potential Energy (P.E.)

The energy stored in an object due to its position or configuration, often related to its height above a reference point.

Normal Force (N)

The force exerted by a surface that supports the weight of an object resting on it, acting perpendicular to the surface.

Spring Constant (k)

A measure of the stiffness of a spring, defined by Hooke's law as the force required to compress or extend the spring.

Equations of Motion

Mathematical formulas that describe the relationship between the motion of an object, including displacement, velocity, acceleration, and time.