Gravitational field

Work done on an object to bring it to certain point in space is called

• gravitational potential energy

•    potential energy

•    kinetic energy

•    mechanical energy

On scale of building, gravitational field is

•   energy increasing

•   decreasing

•     uniform

•    varying

Force acting on two point masses is directly proportional to

• sum of masses

• difference of masses

•    distance between masses

•    product of masses

Gravitational law is also called

• Universal law

• Newton’s law

• Constant law

• True law

A body weighs more at the poles than at the equator. True or false?

• True

• False

An uncharged object has

• more protons

• more electrons

• equal electrons and protons

• no protons and electrons

Where an electric charge experiences a force, there is an

• electric field

• magnetic field

• electric current

• conventional current

The conventional direction of electric field is ________

• Positive to negative

• Negative to positive

• No specific direction

• Direction cannot be determined

Electric field originates at

• Positive charge

• Negative charge

• Neither positive nor negative

• Both positive and negative

Electric field terminates at ________

• Negative charge

• Neither positive nor negative

• Both positive and negative