science
Grade8
Easy
Question
Which one of the following is a scalar quantity?
- Force
- Momentum
- Speed
- Acceleration
Hint:
Speed is a scalar quantity.
The correct answer is: Speed
Related Questions to study
science
The momentum of a body at rest is ___.
The momentum of a body at rest is ___.
scienceGrade8
science
What is the SI unit of momentum?
What is the SI unit of momentum?
scienceGrade8
science
The amount of motion contained in a body is called ___.
The amount of motion contained in a body is called ___.
scienceGrade8
science
The gravitational force causes ___.
The gravitational force causes ___.
scienceGrade8
science
Which of the following are held to the Earth because of its gravity?
Which of the following are held to the Earth because of its gravity?
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
What is the direction of the gravitational force of the Earth?
What is the direction of the gravitational force of the Earth?
scienceGrade8
science
What is the direction of the centripetal force w.r.t. the centripetal acceleration?
What is the direction of the centripetal force w.r.t. the centripetal acceleration?
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
science
Which of the following has no gravitational force involved?
Which of the following has no gravitational force involved?
scienceGrade8
science
Why do satellites not fall back to the Earth from their respective orbits?
(a) They are under the constant influence of gravitational force due to the Earth.
(b) They are under the constant influence of centripetal force.
(c)The centripetal force is supplied by the gravitational force
Why do satellites not fall back to the Earth from their respective orbits?
(a) They are under the constant influence of gravitational force due to the Earth.
(b) They are under the constant influence of centripetal force.
(c)The centripetal force is supplied by the gravitational force
scienceGrade8
science
Which of the following would happen to the Earth if the gravity of the Sun is lost someday?
Which of the following would happen to the Earth if the gravity of the Sun is lost someday?
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
Which of the following has no gravitational force involved?
Which of the following has no gravitational force involved?
scienceGrade8
science
Which of the following would happen to the Moon if the gravity of the Earth is lost someday?
Which of the following would happen to the Moon if the gravity of the Earth is lost someday?
scienceGrade8
