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Both! Here is a list:
Helpful:
1. We need it to brake/stop our cars
2. We need it to fly in airplanes. (The friction of air on the wings cause the plane to stay in the air)
3. We would slip and fall if there were no friction between the ground and our shoes
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 people get cold, they can rub thier 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 playing soccer or 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.
5. Our shoes would last a lot longer without friction
Hope this helped(:
What else can I help you with?
Helpful?
If you need help I recommend you type in the specific question you need help with
Why is friction harmful while driving a car in the winter?
Friction can be harmful or helpful when driving, no matter what time of year. For instance it is helpful when breaking and it is harmful between bearing surfaces. The loss of friction between the tyres and the road during winter can be disastrous.
What are two ways that friction is helpful and harmful when riding a bike?
Friction can be both harmful and helpful. Without friction the tires of the bike could not push against the ground to move forward, and the brakes would not stop the bike. However, friction can cause parts of the bike and the tires to wear down. Also, to overcome the friction between the tires and the road you need to pedal harder to go faster.friction is helpful to stop the bike when you put on the brakes but it may be harmful by slowing your speed down. and if you hit the brakes hard at a sudden moment, you could tumble or flip
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.
Is salt helpful or harmful?
it can be helpful or harmful
Are mangroves helpful or harmful?
sometimes they are helpful and harmful.
When friction is not helpful?
Friction can be helpful and not helpful it is not helpful when you are running because it slows you down hope that'll help!!!! ;)
What are two way that friction is harmful and two ways that friction is helpful when you are riding a bike?
Friction is harmful on a bike by causing wear and tear on the components like brake pads and tires, leading to replacements. It can also make pedaling more difficult, resulting in increased fatigue for the rider. Friction is helpful on a bike by providing the necessary grip between the tires and the road for stability and control. It also aids in slowing down the bike when brakes are applied.
Can friction be harmful and how?
Yes, friction CAN be harmful, depending on where it occurs. If you'd fall and scrub your knee, that's harmful friction. IF your shoes are chafing and yopu get a blister, that's harmful friction. In a machine, if a bearing becomes warm, that's harmful friction.
Is sandpaper helpful or harmful?
Sandpaper is both helpful and harmful.
What is a harmful and helpful example of friction?
AdvantagesHelps holding objectsCauses objects to come to restdisadvantagesReduces machinery efficiencyOpposes movement of an object
