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- 1. Open Ended
Friction in the axle of a bicycle wheel. Useful or Not useful?
- 2. Multiple Choice
Friction is useful or not useful?
Friction between your shoes and the floor.
Useful
Not useful
- 3. Multiple Choice
Cars need friction to stop.
True
False
- 4. Multiple Choice
Snow increases the friction between your shoes and the ground.
True
False
- 5. Multiple Choice
The air resistance of a car can be reduced by:
A making the car bigger.
B giving it a streamlined shape.
C making the car heavier.
D putting a roof box on it.
- 6. Multiple Choice
Which statement about air resistance is true?
A If speed increases, air resistance decreases.
B If speed increases, air resistance increases.
C If speed decreases, air resistance increases.
D Speed has no effect on air resistance.
- 7. Multiple Choice
What are the units used for measuring forces?
A metres
B newtons
C kilograms
D grams
- 8. Multiple Choice
Putting the oil on the axle of a bicycle would be
A remain the same
B increased
C decreased
- 9. Multiple Choice
Air resistance and water resistance are both types of friction.
True
False
- 10. Multiple Choice
Forces do not always cause motion.
True
False
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