The motion of dropping an eraser is called straight-line motion or linear motion. When you drop the eraser, it moves in a straight path towards the ground due to the force of gravity. The motion is along a straight line, ...
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If the zero mark on a scale is broken, you can still measure the length of an object by starting from a different point on the scale. For example, you can start measuring from the next visible marking and subtract ...
When a reference point is changed, the position or distance of an object can appear different. A reference point is a fixed place used to measure the distance or position of something. If you move the reference point, you may ...
Visually challenged students use raised-marked scales because they allow them to feel and read measurements through touch. These scales have raised lines or bumps that represent the units of length, such as centimeters or inches, so students can trace them ...
To determine if an object is in motion, you need to compare its position with a reference point. If the object changes its position relative to the reference point over time, then it is in motion. For example, if a ...