Podcast
Play an AI-generated podcast conversation about this lesson
Questions and Answers
What did Galileo observe about the motion of objects on an inclined plane?
What did Galileo observe about the motion of objects on an inclined plane?
- Objects move with a constant speed when no force acts on them. (correct)
- Objects stop moving when no force acts on them.
- Objects move slower when no force acts on them.
- Objects move faster when no force acts on them.
What happens to the velocity of a marble as it rolls down an inclined plane?
What happens to the velocity of a marble as it rolls down an inclined plane?
- It decreases
- It remains constant
- It stops
- It increases (correct)
According to Galileo, if a marble is released from an inclined plane and goes up on the opposite side to the same height, what does this suggest?
According to Galileo, if a marble is released from an inclined plane and goes up on the opposite side to the same height, what does this suggest?
- The marble has external forces acting on it
- The marble defies gravity
- The inclinations of the planes are equal (correct)
- There is no friction involved
What would happen if the angle of inclination of the right-side plane in Fig. 9.5(c) were gradually decreased?
What would happen if the angle of inclination of the right-side plane in Fig. 9.5(c) were gradually decreased?
Signup and view all the answers
What is required to change the motion of a marble according to Galileo?
What is required to change the motion of a marble according to Galileo?
Signup and view all the answers
What does Galileo's observation imply about sustaining the uniform motion of a marble?
What does Galileo's observation imply about sustaining the uniform motion of a marble?
Signup and view all the answers
