Linear motion is the movement of an object along a straight path. In this type of motion, the object moves in one direction without changing its path. For example, a car driving down a straight road or a ball rolling ...
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Traditional units of length, like a “foot” or a “yard,” can be unreliable because they vary from person to person or place to place. For example, one person’s foot might be longer than another person’s, making measurements inconsistent. Also, these ...
To measure the length of a thread, you can use a ruler or a measuring tape. First, stretch the thread straight along a flat surface. Then, use the ruler or tape to measure from one end of the thread to ...
If the ends of a scale are broken, it becomes difficult to measure accurately. The scale may no longer have clear starting or ending points, which can lead to errors in measurements. For example, if the zero point is missing, ...
The smallest measurement unit on a typical ruler is usually 1 millimeter (mm). A millimeter is one-tenth of a centimeter, and most rulers have small marks between the centimeters to show these millimeters. These tiny divisions help measure objects more ...