Frank Solutions for Class 9 Physics Chapter 3 Laws of Motion - Download Free PDF with Solution
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FAQs on Frank Solutions for Class 9 Physics Chapter 3 Laws of Motion - PDF
1. Why do we lean forward when a vehicle applies brakes?
Our lower body remains in contact with the vehicle and comes to rest immediately. The upper portion still remains in motion due to inertia. This is why we lean forward.
2. What is momentum?
The property of a moving body by virtue of its motion and mass is called momentum.
3. What is inertia?
The tendency of a body to continue its state of rest or motion is called inertia.
4. What is friction?
The force opposite to a body’s motion applied by the contact medium is called friction.
5. What is acceleration?
The rate of change of velocity of a body with respect to time is called acceleration.