The force applied to an object

The amount of matter in an object.

The rate of change of velocity

Keep time in clocks

Measure earthquake magnitude using GPS.

Measure the strength of gravity.

The object’s displacement

The mass of the object.

The object's acceleration

The nature of the surfaces in contact

Measuring the muzzle velocity of firearms

Studying the interaction of projectiles with a medium

Determining the mass of a projectile

The force exerted on an object due to gravity

The amount of space occupied by an object or substance

The measure of the heaviness of an object

Concave lens

Convex lens

Plano-convex lens

It ensures accurate measurements of physical quantities

Personal Protective Equipment (PPE) protects students from potential hazards and ensures safety.

Multiple measurements help reduce the effect of random uncertainty

It eliminates all sources of uncertainty

It doesn't apply to springs

It doesn't apply to materials

It only applies to compressive deformations

A deviation or offset in the zero reading is a zero error

Error caused by improper alignment