WorksheetsGravitation
Total questions: 12
Worksheet time: 11mins
1. Newton’s law of gravitation is depends on
Temperature
Mass
Time
Velocity
Newton’s law of gravitation state that
For two point masses in any part of the universe there is a attractive force between them and this force is directly proportional to the product of the masses and inversely proportional to the square of the distance between them
For two point masses in any part of the universe there is a attractive force between them and this force is directly proportional to the product of the masses and directly proportional to the square of the distance between them
For two point masses in any part of the universe there is a attractive force between them and this force is directly proportional to the product of the masses and directly proportional to the square of the distance between them
For two point masses in any part of the universe there is a attractive force between them and this force is directly proportional to the product of the masses and directly proportional to the distance between them
A satelitte is moved from a stable orbit to another stable orbit further from the earth. Which of the following increase ?
Gravitational Force
Gravitational Potential
Angular velocity
Centripetal acceleration
Gravitational field strength is defined as
the force between two point mass
the gravitational force between two point mass
the gravitational force per unit length of a body
the gravitational force per unit mass of a body (test mass ) placed at a point
The value of Gravitational field strength Earth on surface is 9.81 ms -2 What will happen to the Earth Gravitational field strength at attitude 400 km
Decrease
Increase contansly
Increase
No effect
Gravitational potential energy unit is
Pascal
Joules
Newton
Ohms
Gravitational potential energy is define as
the energy between two point mass
the work done by the gravitational pull of gravity to bring the mass from infinity to that point
the work done by the gravitational pull of gravity to bring the mass
the force between two point mass
Gas escapes from the surface of a planet because it acquires an escape velocity. The escape velocity will depend on which of the following factors EXCEPT:
Mass of the planet
Temperature
Altitude
Radius of the planet
The time period of a geostationary satellite is
24 hours
12 hours
365 days
One month
Which of the following is Newton's Law on Gravitation?
F=Gm1m2/r
F = Gm1m2/r2
F = Gm1m2/2r
F = m1m2/2r
Choose the factor on which the orbital velocity does not depend when the satellite is orbiting
The mass of the earth
The radius of the earth
The mass of the satellite
The orbital radius
Value of gravitation's constant
9.81 m s-2
3.411 rad
6.674 30 x 10-11 m3 kg-1 s-2
0
