Grvitation

The moon and other satellites rotate around the earth. Identify the force that keeps these satellites in orbit.

• gravity
• friction
• a strong force
• electromagnetic force

The value of Universal Gravitational constant is

• 6.673X10^-11 Nm^-2kg²

• 6.673X10^-11 Nm²kg²

• 6.673X10^-11 Nm² kg^-2

• 6.673 x10^-11 N m^-2 kg^-2

The force between the two massive bodies is Always

• Repulsive

• Attractive

• Either Repulsive or Attractive

• Neither Attractive nor Repulsive

Who determined the value of G is constant

• Newton

• Henry Cavendish

• Kepler

• Archimedes

The value of g becomes greater

• Poles

• Equator

• Both A and B

• None of these

The value of g is

• 9.6m. s^-2

• 9.8m. s^-2

• 9.8m/s^2

• Both B and C

A Car falls a ledge and drops to the ground in 0.5S. (g=10m. s^-2).What is the Speed on Striking the ground

• 7m. s^-1

• 10m. s^-1

• 5m. s^-1

• 6m. s^-1

Mass of an object is the measure of its

• Force

• Weight

• Inertia

• None of these

The force of attraction of the Earth on an object is known as the

• Inertia

• Gravity

• Mass

• Weight

Mass of an object is 10 kg. what is the Weight on the Earth

• 980N

• 9.8N

• 98N

• 98.5N