WorksheetsLaw of Universal Gravitation
Total questions: 25
Worksheet time: 13mins
Newton's Law of Universal Gravitation states that:
Every object with mass repels other objects with mass.
Every object with mass attracts every other object with mass.
Objects only attract when in contact.
Gravity does not depend on mass.
What happens to gravitational force when the mass of objects increases?
It decreases.
It stays the same.
It increases.
It becomes zero.
Which formula represents Newton's Law of Universal Gravitation? F=GM1M2/r2
F = ma
F=GM1M2/r2
F=kQ1Q2/r2
1/2mv2
What is the value of the gravitational constant (G)?
9.81 m/s-2
6.67 x 10-10Nm3/kg-1s-2
3.14 x 10-11m3/kg-1s-2
6.67 x 10-11Nm2/kg2
If the distance between two objects doubles, the gravitational force:
Gravitational force is weakest when:
What does the gravitational force depend on?
Only on the mass of the first object.
Only on the distance between objects.
Both the mass of the objects and the distance between them.
Only on the gravitational constant.
Which of the following is NOT a consequence of Newton's Law of Universal Gravitation?
Planets orbit the Sun in elliptical paths.
Objects with mass exert attractive forces on each other.
Massless objects can exert gravitational forces.
The force weakens with the square of the distance.
The inverse-square law suggests that gravitational force is:
Proportional to distance.
Inversely proportional to the square of the distance.
Independent of distance.
Proportional to the square of the distance.
Which of the following quantities increases gravitational force?
Increased distance.
Increased mass of the objects.
Decreased mass.
Decreased gravitational constant.
According to Newton’s law, gravity:
Is a repulsive force.
Is a force that only exists on Earth.
Affects all objects in the universe.
Requires contact between objects to act.
If the distance between two objects is halved, the gravitational force between them:
Quadruples.
Halves.
Doubles.
Reduces to a quarter.
The force between two objects with masses M1 and M2 is proportional to:
M1 x M2
M1 x 1/M2
1/M1 x M2
1/r2
The moon is attracted to the Earth. What is the main factor for this attraction?
The Earth's rotation.
The gravitational force between them.
The moon's atmosphere.
The sun's gravity.
Newton’s law was used to predict the existence of:
Jupiter
Neptune
Mercury
Uranus
If the mass of an object doubles, its gravitational force with another object:
Halves.
Doubles.
Quadruples.
Remains the same.
If the radius of the Earth increased but its mass remained the same, the gravitational force at the surface would:
Increase.
Decrease.
Remain unchanged.
Become zero.
Which of the following objects would exert the strongest gravitational force?
A basketball.
A mountain.
A planet.
A car.
Which scientist formulated the Law of Universal Gravitation?
How is the gravitational force related to mass and distance?
Directly proportional to both.
Inversely proportional to mass, directly proportional to distance.
Directly proportional to mass, inversely proportional to the square of the distance.
Inversely proportional to mass, inversely proportional to distance.
Which of the following factors does NOT affect gravitational force?
The distance between the objects.
The mass of the objects.
The gravitational constant.
The temperature of the objects.
Newton's Law of Universal Gravitation was instrumental in predicting the:
Existence of black holes.
Position of Neptune.
Mass of the Sun.
Speed of light.
Which of the following correctly describes the relationship between force and mass in Newton’s Law of Universal Gravitation?
Force is proportional to the product of the masses of two objects.
Force is inversely proportional to the product of the masses of two objects.
Force is proportional to the square of the masses.
Force is inversely proportional to the square of the masses.
Which planet’s orbit could not be fully explained by Newton’s Law of Universal Gravitation alone?
Mercury.
Mars.
Venus.
Jupiter.
Two objects each have masses of 4500 kg and are .03 meters apart from each other. What's their force of gravity?
.3 N
.7 N
1.1 N
1.5 N
