CBSE Class 9 Answered
Q.1. Which of the following has more inertia & why: a car or a truck ?
Asked by sbidipak | 30 May, 2017, 11:25: AM
Expert Answer
- Inertia is a property due to which a body in a state of rest or a state of motion continues to be in that state untill and unless an external force acts upon it.
- This force with the help of Newton's first law of motion can be mathematically expressed as the product of ass (m) of the body and the acceleration (a) possesed by it.
- This explains that, the force of inertia will be greater for a body of a larger mass or a body with a higher acceleration.
- Therefore, amongst a truck and a car, inertia will be more in a truck due to its mass which is greater than that of a car.
Answered by Abhijeet Mishra | 30 May, 2017, 11:37: AM
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