Recent Lessons

Show all results for ""

Gravity Concepts Quiz

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the value of gravitational acceleration (g) on the surface of the Earth?

9.8 m/s² (correct)
9.1 m/s²
8.9 m/s²
10.5 m/s²

The force of gravity only acts between very large masses.

False (B)

What is the term used to describe the relationship where the gravitational force between two masses decreases as the distance between them increases?

Inverse Square Law

The acceleration due to gravity changes with an object's __________.

altitude Signup and view all the answers

Match the following terms with their definitions:

Gravitational Force = The attraction between two masses SI Units = Standard international units used for scientific measurements Mass = The amount of matter in an object Acceleration due to gravity = The increase in speed of an object due to Earth's gravitational pull Signup and view all the answers

What is the value of 'g' (in m/s²) at the Earth's surface?

9.80 (D) Signup and view all the answers

The value of 'g' on Mars is greater than that on Pluto.

False (B) Signup and view all the answers

What is the approximate value of 'g' at the altitude of 8.8 km?

9.77 m/s² Signup and view all the answers

The value of 'g' at the altitude of 40,000 km is _____ m/s².

0.19 Signup and view all the answers

Match the celestial body with its corresponding gravitational acceleration (g):

Pluto = 1.137 m/s² Moon = 1.6 m/s² Mars = 3.7 m/s² Jupiter = 24.8 m/s² Signup and view all the answers

What is the value of 'g' at the arbitrary beginning of space, 80 km above Earth's surface?

9.54 m/s² (A) Signup and view all the answers

The typical space shuttle orbit altitude has a gravitational acceleration (g) of approximately 8.94 m/s².

True (A) Signup and view all the answers

What is the value of 'g' for a communications satellite orbiting at 40,000 km?

0.19 m/s² Signup and view all the answers

Flashcards are hidden until you start studying