When a book is dropped from the table, it falls towards the Earth. But when it is placed on the table, it does not fall towards the Earth while the gravity is still acting. Give reason.

Aregion of space in which a measurable gravitational force is indicated by the force exerted on a test mass is called

Two technicians are discussing a resistance measurement between the can-h and can-l wires. technician a says this measurement should be done with the ignition switch in the "run" position. technician b states that a measurement of 0 ohms indicates an open in the network. which technician is correct?

Difference between series and parallel circuits