StudyWithSmile — free flashcards, quizzes and exam practice for school students
How Forces Affect Motion
Science · CBSE Class 9 · English Medium · 15 questions and answers
Sample questions
- Q: What is force?
- A: Force is a push or pull that can change or tend to change the state of motion, direction or shape of an object.
- Q: What are balanced forces?
- A: Balanced forces have zero net force and do not change an object's state of motion.
- Q: What are unbalanced forces?
- A: Unbalanced forces produce a non-zero net force and can change an object's state of motion.
- Q: State Newton's first law of motion.
- A: An object remains at rest or in uniform straight-line motion unless acted upon by an unbalanced external force.
- Q: What is inertia?
- A: Inertia is the tendency of an object to resist any change in its state of rest or uniform motion.
Sign in free to study all 15 questions with flashcards, quizzes and spaced revision.