Gravitation

The SI unit of G is ?

• Nm¹Kg¹

• Mm² Kg²

• Nm²kg²

Tags

NGSS.HS-PS2-4

which is a correct statement about mass ?

• Mass can be zero

• mass is vector quantity

• mass is constant everywhere

• mass is derived quantity

Which among the following is a wrong differentiation between mass and weight ?

• Mass is amount of matter in a body whereas weight is the measure of force acting on body

• Si unit of mass is kg whereas SI unit of weight is newton

• mass has both magnitude and direction whereas weight has only direction

• mass can easily be measured by beam balance whereas weight can be measured by spring balance

weight of an object is directly proportional to mass

• true

• false

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

if mass is less gravitation will be

• more

• constant

• equal

• less

Tags

NGSS.MS-PS2-4

weight of an object on moon = ?

• 1/6 * its mass on earth

• 1/6 * twice its weight on earth

• 1/6 * its weight on earth

On the surface of the Earth, the escape velocity is about

• 11.2 km/s

• 12.1 km/s

Tags

NGSS.MS-PS3-5

'The orbit of a planet is an ellipse with the Sun at one of the foci" is Kepler's

• First law

• Second law

• Third Law

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

The square of period of revolution around the Sun is _____ to the cube of mean distance of a planet from the Sun

• Directly proportional

• Indirectly proportional

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

The value of 'g' ____ if we go inside the Earth

• changes

• remains the same