Podcast
Play an AI-generated podcast conversation about this lesson
Questions and Answers
What is force?
What is force?
- The cause of the ball's motion (correct)
- The weight of the ball
- The size or strength of the ball
- The direction the ball moves
What happens when a ball is pushed in the opposite direction of its motion?
What happens when a ball is pushed in the opposite direction of its motion?
- It remains unaffected
- It moves faster and farther
- It changes its direction of motion
- It may slow down and eventually stop (correct)
What does magnitude refer to in describing forces?
What does magnitude refer to in describing forces?
- The size or strength of the force (correct)
- The direction of the force
- The speed of the force
- The weight of the object
In which system is Newton commonly used as a unit for force?
In which system is Newton commonly used as a unit for force?
Signup and view all the answers
Who is Newton, after whom the unit of force is named?
Who is Newton, after whom the unit of force is named?
Signup and view all the answers
What is the symbol used to denote the force applied by a boy to a wall?
What is the symbol used to denote the force applied by a boy to a wall?
Signup and view all the answers
What type of force is air resistance an example of?
What type of force is air resistance an example of?
Signup and view all the answers
Which force always acts perpendicular to the surface of the object in contact with?
Which force always acts perpendicular to the surface of the object in contact with?
Signup and view all the answers
What is the symbol used for the force applied to string, rope, chain, or cable?
What is the symbol used for the force applied to string, rope, chain, or cable?
Signup and view all the answers
What does frictional force always do to the motion of an object?
What does frictional force always do to the motion of an object?
Signup and view all the answers
