No, pencils do require friction to write. When a pencil is pressed against paper, the friction between the graphite tip and the paper surface causes the graphite to leave a mark. Without this friction, the pencil would not be able to write.
True. Friction is the force that resists motion when the surface of one object comes in contact with the surface of another
Yes, cars need friction between their tires and the road surface to accelerate, decelerate, and turn. Without friction, the tires would not be able to grip the road, leading to the car sliding or skidding uncontrollably.
Yes, it is generally true that kinetic friction is always greater than the maximum value of static friction.
False. Friction is not always undesirable. It is necessary for many everyday activities such as walking, driving, and gripping objects. However, it can also be undesirable in some situations like in machinery where it can cause wear and energy loss.
True. Lubricants reduce friction by forming a thin layer between moving surfaces, which helps to replace sliding friction with fluid friction. This allows for smoother movement and decreased wear on the surfaces in contact.
True. Friction is the force that resists motion when the surface of one object comes in contact with the surface of another
One site on the internet suggests that the average pencil could draw a line 35 miles long. If that is true, then 100 million pencils could draw a line 3.5 billion miles long.
Yes, cars need friction between their tires and the road surface to accelerate, decelerate, and turn. Without friction, the tires would not be able to grip the road, leading to the car sliding or skidding uncontrollably.
It is not true.
Yes, it is generally true that kinetic friction is always greater than the maximum value of static friction.
False. Friction is not always undesirable. It is necessary for many everyday activities such as walking, driving, and gripping objects. However, it can also be undesirable in some situations like in machinery where it can cause wear and energy loss.
true
reduce shelbyjohnson
True. Lubricants reduce friction by forming a thin layer between moving surfaces, which helps to replace sliding friction with fluid friction. This allows for smoother movement and decreased wear on the surfaces in contact.
True, friction is a force that opposes the motion of an object when it is in contact with another surface. Friction can cause the object to slow down or stop moving.
it is true
true