Force, Motion, and Speed By A Science Student

Force Vocabulary

Speed-The rate at which someone or something moves or operates

Motion-The action or process of moving or being moved.

Force-The strength or energy as an attribute of physical action or movement.

Balanced Force(s)-Balance forces are two forces acting in opposite directions on an object, and equal in force. The object does not move.

Unbalanced Force(s)-When balanced forces act on an object at rest, the object will not move. With unbalanced forces, the forces are uneven and the object is in motion.

Speed Calculation and Speed Graphs

Speedometer

Speed Calculation

When you are trying to calculate the speed of something, you must first know how far it went (distance) and the time it took to reach that distance. Once you have both, set up 3 boxes. In the first one put, {s=d/t}. You can also put the D over the T like with a fraction. Then in the next box, put {s=?/?}. The question mark on top is for the distance. The question mark on the bottom is for the time. In algebra, put one number over another like a fraction, also means to divide. You need to divide the distance by the time. But, before you do that, you need to put the units. The distance should be either kilometers(km) or in meters(m). For time you either have hours(h) or seconds(s). You must label them (small) next to the correct numbers. Then after you have labeled, you then divide the distance by the time. For example, if my distance was 5 meters and my time was 3 seconds, I would divide 5 by 3. Now I know that the number is quite big (1.66666666667). When the number is longer than the tenths place, round the number to the tenths place. So I would round 1.66666666667 to 1.7. Then you need to put {s=?}. The question mark is for your rounded number. Then you need to put your unit. The correct unit is either km/h or m/s depending on your unit previously used. THEN YOU ARE DONE! DUN, DUN, DAAAAAAAAAAA.

Speed Graphing

Example

When you are trying to calculate speed from a graph, look for the certain points you are looking for and then follow the directions above. Before that, try to find points that you can mark as places. Like A,B,C, and D points. Then it will be easier to find the distance and the time.

Created By
Tessa Kilduff
Appreciate

Credits:

Created with images by AlexanderStein - "paperclip clip office" • Mark Morgan Trinidad B - "Speedometer"

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