+91-8076753736 [email protected]

-->

Motion In Straight Line

Question

Wired Faculty App

What is gravitational field strength due to the earth at the centre of the earth?

Solution

Gravitational field strength, I =

GM over straight R squared

At the centre of the Earth, the mass is presumably zero.
Therefore, gravitational field strength is zero at the centre of the Earth.

Some More Questions From Motion in Straight Line Chapter

What is rest?

What is motion?

Is absolute rest or absolute motion possible?

What is the most essential thing to study the motion of a body?

Can a body be always at rest in some frame?

Can a body be in motion in the frame associated with the body itself?

When an object in motion can be considered as particle or point object?

Can you think of physical phenomena involving the moon in which moon cannot be treated as particle?

A train is crossing the bridge. Can it be taken as a particle?

Can a train be taken a particle? Give an example in support of your answer.

Mock Test Series

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation