Gravitation

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What is the effect on the weight of objects on the equator if the earth starts rotating 17 times faster?

The weight of objects on the equator remains the same

The weight of objects on the equator becomes zero (correct)

The weight of objects on the equator decreases by half

The weight of objects on the equator increases

What is the relationship between the gravitational mass and the inertial mass of a body?

The gravitational mass and the inertial mass are unrelated

The gravitational mass and the inertial mass are equal (correct)

The gravitational mass is always greater than the inertial mass

The inertial mass is always greater than the gravitational mass

What is the unit of measurement for the gravitational mass of a body?

Kilograms per meter

Meters per second

Newtons per meter

Kilograms (correct)

What is the effect on the gravitational force between two objects if the distance between them is doubled?

The gravitational force decreases by a factor of 4 Signup and view all the answers

What is the value of g at the equator if the earth starts rotating 17 times faster?

60 times the original value of g Signup and view all the answers

What is the value of g at infinite distance from the Earth?

0 Signup and view all the answers

What is the value of the acceleration due to gravity at the surface of the earth at mean sea level?

9.8 m/s² Signup and view all the answers

Due to which of the following factors does the value of acceleration due to gravity vary?

All of the above Signup and view all the answers

What is the effect of the rotation of the Earth on the value of g at the equator?

It decreases the value of g Signup and view all the answers

What is the relationship between the equatorial radius and the polar radius of the earth?

The equatorial radius is about 21 km longer than the polar radius Signup and view all the answers

What is the angular velocity of the Earth's rotation for which a body at the equator will become weightless?

ω = √(g/R) Signup and view all the answers

What is the value of the acceleration due to gravity at the centre of the earth?

0 Signup and view all the answers

What is the direction of the force of gravity on a body at the surface of the earth?

Toward the centre of the earth Signup and view all the answers

What is the difference in the value of g between the poles and the equator?

0.034 m/s² Signup and view all the answers

What is the effect of the Earth's rotation on the value of g?

It decreases the value of g at the equator Signup and view all the answers

How does the rotation of the Earth affect the measurement of inertial mass?

It decreases the measured inertial mass Signup and view all the answers

What would happen to the apparent weight of a body at the equator if the Earth's rotation period were to decrease?

The apparent weight would increase Signup and view all the answers

What is the effect on the apparent weight of a body at the equator if the earth starts rotating faster?

It decreases Signup and view all the answers

How can the inertial mass of a body be measured?

By applying a force to the body Signup and view all the answers

What is the effect of gravity on the inertial mass of a body?

It has no effect on the inertial mass Signup and view all the answers

What is the period of rotation of the earth in hours?

1.40 hours Signup and view all the answers

What is the reason for the apparent weight reduction of a body at the equator due to the Earth's rotation?

Centrifugal force exerted by the Earth's rotation Signup and view all the answers

What is the unit of measurement for the angular velocity of the Earth's rotation?

Radian per second Signup and view all the answers

How can the inertial mass of a body be measured?

By measuring the force required to produce a certain acceleration Signup and view all the answers

How does the Earth's rotation affect the inertial mass of a body?

It has no effect on the inertial mass of the body Signup and view all the answers

What is the effect of the Earth's rotation period on the acceleration due to gravity at the equator?

It decreases the acceleration due to gravity at the equator Signup and view all the answers

What happens to the apparent weight of a body at a point on the surface of the earth, due to the Earth's rotation?

It decreases by a factor of cos²λ Signup and view all the answers

At what latitude is the effect of the Earth's rotation on the apparent weight of a body maximum?

At the equator, where λ = 0° Signup and view all the answers

What is the angular velocity of the Earth's rotation, at a point on the surface of the earth?

It is a function of the latitude, λ Signup and view all the answers

What is the effect of the Earth's rotation on the acceleration due to gravity, at a point on the surface of the earth?

It decreases the acceleration due to gravity Signup and view all the answers

Gravitation

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Questions and Answers

What is the effect on the weight of objects on the equator if the earth starts rotating 17 times faster?

What is the relationship between the gravitational mass and the inertial mass of a body?

What is the unit of measurement for the gravitational mass of a body?

What is the effect on the gravitational force between two objects if the distance between them is doubled?

What is the value of g at the equator if the earth starts rotating 17 times faster?

What is the value of g at infinite distance from the Earth?

What is the value of the acceleration due to gravity at the surface of the earth at mean sea level?

Due to which of the following factors does the value of acceleration due to gravity vary?

What is the effect of the rotation of the Earth on the value of g at the equator?

What is the relationship between the equatorial radius and the polar radius of the earth?

What is the angular velocity of the Earth's rotation for which a body at the equator will become weightless?

What is the value of the acceleration due to gravity at the centre of the earth?

What is the direction of the force of gravity on a body at the surface of the earth?

What is the difference in the value of g between the poles and the equator?

What is the effect of the Earth's rotation on the value of g?

How does the rotation of the Earth affect the measurement of inertial mass?

What would happen to the apparent weight of a body at the equator if the Earth's rotation period were to decrease?

What is the effect on the apparent weight of a body at the equator if the earth starts rotating faster?

How can the inertial mass of a body be measured?

What is the effect of gravity on the inertial mass of a body?

What is the period of rotation of the earth in hours?

What is the reason for the apparent weight reduction of a body at the equator due to the Earth's rotation?

What is the unit of measurement for the angular velocity of the Earth's rotation?

How can the inertial mass of a body be measured?

How does the Earth's rotation affect the inertial mass of a body?

What is the effect of the Earth's rotation period on the acceleration due to gravity at the equator?

What happens to the apparent weight of a body at a point on the surface of the earth, due to the Earth's rotation?

At what latitude is the effect of the Earth's rotation on the apparent weight of a body maximum?

What is the angular velocity of the Earth's rotation, at a point on the surface of the earth?

What is the effect of the Earth's rotation on the acceleration due to gravity, at a point on the surface of the earth?

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