WorksheetsTopic 7:Gravitation
Total questions: 10
Worksheet time: 6mins
Newton’s Law of Gravitation : Every particle in the universe attracts every other particle with a force, 𝑭 which is ________________ to the product of their masses (𝒎×𝑴) and _____________ to the square distance (𝒓^𝟐) between their centers.
inversely proportional, directly proportional
directly proportional, inversely proportional
inversely proportional, inversely proportional
directly proportional, directly proportional
Two asteroids exert a gravitational force, F, on each other. Some time later, the asteroids are now three times as far from each other as before. Which of the following represents the gravitational force at this distance?
F/2
F/3
F/6
F/9
The gravitational force Fg between two objects does not depend on
Sum of the masses
Product of the masses
Distance between the masses
Gravitational constant
Gravitational Field Strength at a point (𝒂𝒈) is defined as gravitational force per unit ________ of a body (test mass) place at a point.
distance
weight
mass
length
Gravitational potential energy, 𝑈 stored in a test mass 𝑚 placed at a distance 𝑟 from the center of planet 𝑀 is defined as the ____________ by gravitational force in bringing a test mass from infinity to that point.
energy
power
velocity
work done
what is the unit for Gravitional Field strength, ag =r2GM
N kg −1
J kg −1
m s −2
m s −1
The picture shows three objects gravitationally interacting with each other. Which object exerts the greatest force on object B?
Object A
Object C
A and C exert an equal force on B
Cannot be determined
Newton said that any two masses will...
combine into a larger mass.
attract each other.
create gravitational fields.
push each other apart.
