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When is heat from friction helpful and when is it harmful?
RJackson3
- 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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∙ 12y ago
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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 some ways friction is helpful and some ways it is harmful?
it can give us warmth
What are examples of harmful friction when flying?
When a spaceship enters atmosphere it can catch fire due to heat produced by friction with air.
What is a harmful and helpful example of friction?
AdvantagesHelps holding objectsCauses objects to come to restdisadvantagesReduces machinery efficiencyOpposes movement of an object
Is friction helpful to runners on a sledge?
Yes, it is really helpful as it causes heat which burns the snow (a little) and the ski or sled actually runs on a layer of water. If there was no friction, you would not move.
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.
Where friction is helpful?
Friction is helpful between car tyres and roads for grip. It is also sometimes used for heating as friction generates heat.
What are some ways friction is helpful and some ways it is harmful?
it can give us warmth
Helpful?
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What are examples of harmful friction when flying?
When a spaceship enters atmosphere it can catch fire due to heat produced by friction with air.
What is a harmful and helpful example of friction?
AdvantagesHelps holding objectsCauses objects to come to restdisadvantagesReduces machinery efficiencyOpposes movement of an object
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
Is friction helpful to runners on a sledge?
Yes, it is really helpful as it causes heat which burns the snow (a little) and the ski or sled actually runs on a layer of water. If there was no friction, you would not move.
Is salt helpful or harmful?
it can be helpful or harmful
Are mangroves helpful or harmful?
sometimes they are helpful and harmful.
Name some ways that friction can be helpful and some ways it is harmful?
Friction is helpful in situations like when you are standing on a hillside. Static friction between your shoes and the surface are stopping you from slipping. Friction is not helpful in situations like when you are pulling something heavy. Some of the energy you are putting into pulling is going into heat from kinetic friction and making your job more difficult.
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.
