Class 7 Exam > Class 7 Videos > IGCSE Cambridge Science for Year 7 > Video: Air Resistance
Video: Air Resistance Video Lecture | IGCSE Cambridge Science for Year 7 - Class 7
FAQs on Video: Air Resistance Video Lecture - IGCSE Cambridge Science for Year 7 - Class 7
| 1. What is air resistance? |  |
Ans. Air resistance is the force that opposes the motion of an object as it moves through the air. It is caused by the collisions between the object and air molecules.
| 2. How does air resistance affect the motion of objects? | |
Ans. Air resistance slows down the motion of objects by exerting a force in the opposite direction of their motion. This force increases as the speed of the object increases.
| 3. How can air resistance be reduced? | |
Ans. Air resistance can be reduced by changing the shape of the object to make it more aerodynamic. Smooth surfaces and streamlined designs can help minimize the effects of air resistance.
| 4. Does air resistance affect all objects equally? | |
Ans. No, air resistance affects objects differently depending on their size, shape, and speed. Larger and less aerodynamic objects experience greater air resistance compared to smaller and more streamlined objects.
| 5. Can air resistance ever be completely eliminated? | |
Ans. It is impossible to completely eliminate air resistance, but it can be minimized by designing objects with aerodynamics in mind and reducing their speed.
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Oct 05, 2025
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