A voltmeter measures voltage potential of a circuit or potential difference between two points.A pulley is a simple device with a grooved wheel that holds a cable or robe, designed to reduce the amount of force required to lift a load.A multimeter is a versatile piece of equipment for measurement of electrical quantity in a circuit. A barometer is used in various applications, widely used for measuring atmospheric pressure.A ruler is a measuring device marked off in increments of English and Metric measuring units, measuring approximately 12 inches and 30 centimeters. A ruler is used for measurements like length, width, and height.A Vernier caliper is used in length measurements to gain A magnet is used in experimentation.A spring balance is a weighing device that relates the applied load to the deformation of the spring.
