Underline or highlight the parts of the passage below that answer the following questions: 1. What is inertia? 2. How does inertia affect motion? 3. What is the relationship between mass and inertia? Inertia is the tendency of an object to resist a change in its motion. If an object is already at rest,inertia will keep it at rest. If the object is already moving, inertia will keep it moving. This tendency was first described by Isaac Newton and is known as Newton's First Law of Motion or the Law'of Inertia. Think about what happens when you are riding in a car that stops suddenly. Your body moves forward on the seat. Why? The brakes stop the car but not your body, so your body keeps moving forward because of inertia. That's why it's important to always wear a seat belt. The inertia of an object depends on its mass. Objects with greater mass also have greater inertia. Think how hard it would be to push a big cardboard box full of books. Then think how easy it would be to push the box if it was empty. The full box is harder to move because it has greater mass and therefore greater inertia. An object's motion changes (or accelerates) when it is acted on by an unbalanced force. A force is unbalanced if the net (total) forces acting on object is not zero. Acceleration depends on the size of the force and the mass of the object.
Underline or highlight the parts of the passage below that answer the following questions: 1. What is inertia? 2. How does inertia affect motion? 3. What is the relationship between mass and inertia? Inertia is the tendency of an object to resist a change in its motion. If an object is already at rest,inertia will keep it at rest. If the object is already moving, inertia will keep it moving. This tendency was first described by Isaac Newton and is known as Newton's First Law of Motion or the Law'of Inertia. Think about what happens when you are riding in a car that stops suddenly. Your body moves forward on the seat. Why? The brakes stop the car but not your body, so your body keeps moving forward because of inertia. That's why it's important to always wear a seat belt. The inertia of an object depends on its mass. Objects with greater mass also have greater inertia. Think how hard it would be to push a big cardboard box full of books. Then think how easy it would be to push the box if it was empty. The full box is harder to move because it has greater mass and therefore greater inertia. An object's motion changes (or accelerates) when it is acted on by an unbalanced force. A force is unbalanced if the net (total) forces acting on object is not zero. Acceleration depends on the size of the force and the mass of the object.
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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