Hooke's Law

Hooke's Law

States that the extension of a material is directly proportional to the force applied.

Deformation

The change in shape or size of a material due to the application of forces.

Opposite Forces

A pair of forces acting in opposite directions on an object, leading to deformation.

Robert Hooke

A scientist who discovered Hooke's Law in the 17th century.

Force Constant

Denoted as k, it represents the stiffness of an object being stretched and is measured in Nm¯¹.

Hooke's Law

States that the extension or compression of a spring is directly proportional to the force applied.

Spring Stiffness

Denoted by k in the formula △F = k△x, it represents the spring constant or how stiff the spring is.

Tensile Forces

Forces that act to stretch an object, such as a spring, in opposite directions.

Compressive Forces

Forces that act to compress or squash an object, like a spring, from opposite directions.

Material Compliance

Most materials, not just metal springs, exhibit behavior that follows Hooke's law up to a certain point.

Hooke's Law

States that the extension of a material is directly proportional to the force applied.

Elastic Limit

The point on a force-extension graph beyond which the material will be permanently deformed.

Stiffness Constant (Force Constant)

Denoted by k, it represents the stiffness of the object being stretched in Hooke's Law.

Limit of Proportionality

The point on a force-extension graph where Hooke's Law ceases to be valid.

Graph of Force against Extension

Illustrates the relationship between force and extension for a material, showing Hooke's Law followed by a curved region beyond the elastic limit.

Elastic Deformation

Deformation that is reversible, where the material returns to its original shape once the forces are removed.

Plastic Deformation

Deformation that is irreversible, causing the material to be permanently stretched.

Tensile Deformation

Deformation due to tension, where atoms are pulled apart from one another.

Compressive Deformation

Deformation due to compression, where atoms move position relative to one another.

Elastic Limit

The point up to which a material shows elastic deformation before undergoing plastic deformation.

Investigating Extension

Process of conducting an experiment to measure the change in length of an object when weights are added to it.

Extension

The change in length of an object, calculated as the difference between the new length and the original (natural) length.

Hooke's Law

A principle stating that the force needed to extend or compress a spring by a certain distance is proportional to that distance.

Fiducial Marker

A thin tag on the object that marks the point where measurements are taken to ensure accuracy.

Line of Best Fit

A straight line drawn on a graph that best represents the relationship between the variables being studied.

Interpolation

Estimating a value within the range of known values based on the existing data points.

Safety Goggles

Protective eyewear worn during experiments to prevent eye injuries from potential hazards.