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- Helpful:
1. We use it to brake our cars
2. We use it to fly our airplanes. (The friction of air on the wing causes the plane to stay airborne).
3. We would slip and fall if there were no friction between the ground and our shoes (demonstrated by an icy sidewalk...).
4. We wouldn't be able to turn a doorknob without friction. (Our hand would just slide off of it.)
5. We can warm our bodies by friction. (When campers get lost, they can rub their chest, arms and legs to create warmth by friction)
Harmful:
1. Our cars would get much better gas mileage without tire and air friction.
2. There would be no more skinned knees if friction didn't exist. (Like when you are skating or playing football.)
3. We wouldn't have to worry about clothes chaffing us in dry weather if there were no friction.
4. We could do some pretty amazing dance moves without friction. (The Electric Slide would last forever....)
5. Our shoes would last a lot longer without friction.
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Steve
JordanHeat from friction can be helpful in applications like starting a fire or warming surfaces in manufacturing processes. However, it can be harmful when excessive friction causes damage to machinery or leads to overheating in moving parts, potentially resulting in wear and tear or even fires.
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What is a harmful and helpful example of friction?
Harmful example: Excessive friction between moving parts in machinery can lead to overheating, wear, and eventually failure of the equipment. Helpful example: Friction between the tires of a car and the road provides the necessary grip for braking, accelerating, and steering safely.
Why is friction harmful while driving a car in the winter?
Friction can be harmful while driving a car in winter because it can reduce traction, making it easier for the car to skid or slide on icy or snowy roads. This can increase the risk of accidents and make it harder to control the vehicle.
Name some ways that friction can be helpful and some ways it is harmful?
Friction can be helpful by providing traction for walking, preventing objects from sliding on a surface, and allowing car brakes to stop a vehicle. However, friction can be harmful when it causes wear and tear on machinery, increases energy consumption, and generates heat that can damage objects.
What are some ways friction is helpful and some ways it is harmful?
Friction is helpful as it allows us to walk, hold objects, and write. It also helps stop vehicles and machines by providing traction. However, friction can be harmful as it causes wear and tear on moving parts, reduces speed in vehicles, and can cause injuries when there is too much resistance.
Name two way that friction is harmful and two ways that friction is helpful when you are riding a bicycle?
Harmful: Friction can cause wear and tear on the bicycle's components, leading to maintenance issues. It can also make it harder to pedal efficiently, resulting in fatigue. Helpful: Friction between the tires and the road surface provides traction for stable riding. Friction between the brake pads and wheel rims helps to slow down or stop the bicycle effectively.
