18 Questions
Which of the following factors does NOT affect the value of acceleration due to gravity?
Shape of the body
What is the acceleration produced in a body due to the force of gravity called?
Acceleration due to gravity
What is the term used for the amount of work done to bring a body from a point in space to another point?
Gravitational potential
Which term refers to an object orbiting around the sun, earth, or any celestial body?
Satellite
Which term defines the force of attraction exerted by Earth on a body near its surface?
Gravitational force
What is the minimum velocity required for a satellite to be placed or maintained in orbit called?
Orbital speed
What is the natural phenomenon by which material objects attract one another?
Gravitational force
According to Newton's law of gravitation, the gravitational force between two bodies is directly proportional to __________.
The product of their masses
What is the value of the universal gravitational constant G in CGS system?
$6.67 \times 10^{-8} dynecm^2 g^{-2}$
Which scientist determined the value of the universal gravitational constant experimentally in 1798?
Henry Cavendish
What is the directional nature of the gravitational force according to Newton's law of gravitation?
Along the line joining the two bodies
What is the relationship between the masses of two bodies and the gravitational force acting between them?
Directly proportional to the product of their masses
What is the relationship between the weight of a body and the acceleration due to gravity?
Weight = mass × acceleration due to gravity
Which statement is true about the altitude effects on gravity?
Gravity decreases with increasing altitude
What is the concept of geostationary satellites related to?
Gravitational force
What is the term for the minimum speed an object must reach in order to escape the gravitational pull of a celestial body?
Escape speed
Which characteristic does NOT apply to gravitational force?
It follows the inverse cube law
According to the principle of superposition of gravitation, what does it state about the resultant gravitational force acting on a particle?
It is equal to the vector sum of gravitational forces exerted by individual particles
Test your knowledge on Newton's law of gravitation and its characteristics. Learn about the attractive nature of gravitational force, inverse square law, and its independence from external factors.
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