Today's lesson on on Newton's First Law - Inertia. The lesson pages, powerpoint and videos were posted 2 days ago. Please refer back to them. what is inertia?Inertia is the tendency of an object to maintain its state of motion unless acted upon by an external, unbalanced force. Some might have heard it stated as "objects at rest tend to stay at rest, objects in motion tend to stay in motion." This is a slightly limited, and simplified statement of the law. Mass as a measure of inertiaThere is no numerical measure for the inertia of an object; however it can be said that mass is a measure of inertia. This means
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June 2015
Christopher BraunGRADE 11 PHYSICS |