science
Grade8
Easy
Question
What is the nature of gravitational force?
- Attractive for small distances only
- Attractive for large distances only
- Always attractive
- Attractive at large distances and repulsive at small distances
Hint:
The nature of gravitational force is always attractive.
The correct answer is: Always attractive
Related Questions to study
science
What is the direction of the centripetal acceleration w.r.t. the centripetal force?
What is the direction of the centripetal acceleration w.r.t. the centripetal force?
scienceGrade8
science
In which of the following case (s) is the centripetal force not supplied by the gravitational force?
In which of the following case (s) is the centripetal force not supplied by the gravitational force?
scienceGrade8
science
Which of the following can possibly be done to make an object revolve around the Earth in a particular orbit?
(a) Launch it at a sufficiently high velocity
(b) Launch it from a high altitude
(c) Launch it from the ground
Which of the following can possibly be done to make an object revolve around the Earth in a particular orbit?
(a) Launch it at a sufficiently high velocity
(b) Launch it from a high altitude
(c) Launch it from the ground
scienceGrade8
science
Which of the following is true about the centripetal force?
(a) It pulls an object towards the other
(b) It keeps a body moving in a circular path
(c) It acts perpendicular to the motion of the body
(d) It is an attractive force
Which of the following is true about the centripetal force?
(a) It pulls an object towards the other
(b) It keeps a body moving in a circular path
(c) It acts perpendicular to the motion of the body
(d) It is an attractive force
scienceGrade8
science
Which of the following is true about the motion of the Moon around the Earth?
(a) The Moon falls towards the center of the Earth at every point of its motion
(b) The Moon hits the surface of the Earth
(c) It does not hit the surface of the Earth because of the spherically curved surface
Which of the following is true about the motion of the Moon around the Earth?
(a) The Moon falls towards the center of the Earth at every point of its motion
(b) The Moon hits the surface of the Earth
(c) It does not hit the surface of the Earth because of the spherically curved surface
scienceGrade8
science
An object performing a uniform circular motion is under the action of _____.
An object performing a uniform circular motion is under the action of _____.
scienceGrade8
science
In which direction does the velocity of a body moving in a circular motion point?
In which direction does the velocity of a body moving in a circular motion point?
scienceGrade8
science
What is the direction of the gravitational force of the Earth?
What is the direction of the gravitational force of the Earth?
scienceGrade8
science
A ball is tied to a string and is swirled around in a circular path. What would happen if the string broke accidentally?
(a) The ball keeps moving in the circular path
(b) It directly falls towards the ground
(c) The centripetal force is withdrawn
(d) It flies away in a tangential direction.
A ball is tied to a string and is swirled around in a circular path. What would happen if the string broke accidentally?
(a) The ball keeps moving in the circular path
(b) It directly falls towards the ground
(c) The centripetal force is withdrawn
(d) It flies away in a tangential direction.
scienceGrade8
science
Circular motion ______.
Circular motion ______.
scienceGrade8
science
What is the direction of the centripetal acceleration w.r.t the centripetal force?
What is the direction of the centripetal acceleration w.r.t the centripetal force?
scienceGrade8
science
What provides the necessary centripetal force to the Earth so that it keeps revolving around the sun in the same orbit?
What provides the necessary centripetal force to the Earth so that it keeps revolving around the sun in the same orbit?
scienceGrade8
science
A stone tied to a string was swirled so that it moves in a circular path in a horizontal plane. What supplies the necessary centripetal force to keep it moving in the same circular path?
A stone tied to a string was swirled so that it moves in a circular path in a horizontal plane. What supplies the necessary centripetal force to keep it moving in the same circular path?
scienceGrade8
science
Which force is necessary to keep a body moving in a circular path?
Which force is necessary to keep a body moving in a circular path?
scienceGrade8
science
A ball that is thrown up travels a certain distance upwards and falls back to the ground. The gravitational pull acts on it ______.
A ball that is thrown up travels a certain distance upwards and falls back to the ground. The gravitational pull acts on it ______.
scienceGrade8
