What is used to reduce the friction of rotating parts of a car ?

What is used to reduce the friction of rotating parts of a car ?
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1 Answer

Answer :

: Lubricants are used to reduce the friction of the rotating parts of the car.
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Related questions

How to reduce friction ?

Description : How to reduce friction ?

Last Answer : The main cause of friction is uneven surface. The high notch of any one of them gets stuck in the arteries and causes friction. Therefore the surface is smoothed as much as possible to reduce friction ... are also used to keep uneven surfaces out of contact with each other for long periods of time.

What is the main function in the use of a capacitor for starting a single phase motor? A. Reduce radio interference B. Split the phase to establish a rotating magnetic field C. Reduce the phase angle D. Prolong the life of the starting contacts

Description : What is the main function in the use of a capacitor for starting a single phase motor? A. Reduce radio interference B. Split the phase to establish a rotating magnetic field C. Reduce the phase angle D. Prolong the life of the starting contacts

Last Answer : Answer: B

Centrifugal absorber is used to reduce A) Centrifugal force in rotating system B) Torsional vibration of rotating system C) Vibration in linear system D) Transverse vibrations

Description : Centrifugal absorber is used to reduce A) Centrifugal force in rotating system B) Torsional vibration of rotating system C) Vibration in linear system D) Transverse vibrations

Last Answer : B) Torsional vibration of rotating system

Which one of the following parts of a ball bearing is mounted on the rotating shafts and tends to rotate the shaft? (a) Inner race (b) Outer race (c) Rolling element (d) Cage

Description : Which one of the following parts of a ball bearing is mounted on the rotating shafts and tends to rotate the shaft? (a) Inner race (b) Outer race (c) Rolling element (d) Cage

Last Answer : (a) Inner race

Pair of forces that cause steering wheel of a car to rotate is called A. couple B. friction C. normal force D. weight

Description :  Pair of forces that cause steering wheel of a car to rotate is called A. couple B. friction C. normal force D. weight

Last Answer : couple

A freight car weighing 20 tons and moving at a speed of 7 miles per hour on a horizontal track collides and couples with a stationary car that weighs 15 tons. Neglecting friction, determine the velocity of the coupled cars.

Description : A freight car weighing 20 tons and moving at a speed of 7 miles per hour on a horizontal track collides and couples with a stationary car that weighs 15 tons. Neglecting friction, determine the velocity of the coupled cars.

Last Answer : ANSWER: 4 MILES PER HOUR

State any four methods to reduce friction.

Description : State any four methods to reduce friction.

Last Answer : State any four methods to reduce friction.

What liquid is used to reduce friction?

Description : What liquid is used to reduce friction?

Last Answer : What is the answer ?

What is the substance such as oil or grease that is used to reduce friction.?

Description : What is the substance such as oil or grease that is used to reduce friction.?

Last Answer : What is the answer ?

why it is important to reduce friction at movable joint?

Description : why it is important to reduce friction at movable joint?

Last Answer : friction will resist smooth motion at a moveable joint so reducing friction allows joint to move freely

Ball bearings are used in cycles, scooters etc. to _____. A. Reduce the friction between the wheel and the axle B. Increase the friction between the wheel and the axle C. Reduce the friction between ground and the wheel D. None of these

Description : Ball bearings are used in cycles, scooters etc. to _____. A. Reduce the friction between the wheel and the axle B. Increase the friction between the wheel and the axle C. Reduce the friction between ground and the wheel D. None of these

Last Answer : ANSWER: A

The purpose of lubrication in an antifriction bearing is (a) to reduce the friction between balls and races (b) dissipation of frictional heat prevention of corrosion (c) protection of the bearing from dirt and other foreign particles (d) all of the mentioned

Description : The purpose of lubrication in an antifriction bearing is (a) to reduce the friction between balls and races (b) dissipation of frictional heat prevention of corrosion (c) protection of the bearing from dirt and other foreign particles (d) all of the mentioned

Last Answer : (d) all of the mentioned

The ball bearings are provided with a cage (a) to reduce friction (b) to facilitate slipping of balls (c) to prevent the lubricant from flowing out (d) to maintain the balls at a fixed distance apart

Description : The ball bearings are provided with a cage (a) to reduce friction (b) to facilitate slipping of balls (c) to prevent the lubricant from flowing out (d) to maintain the balls at a fixed distance apart

Last Answer : (d) to maintain the balls at a fixed distance apart

We often sprinkle talcum powder on the carom board . This is done to reduce ______ between the board and the striker. a) friction b)movement c)speed d)contact

Description : We often sprinkle talcum powder on the carom board . This is done to reduce ______ between the board and the striker. a) friction b)movement c)speed d)contact

Last Answer : a) friction

________ is a substance that can reduce the force of friction between the two surface in contact. a) lubricant b)paste c)water d)push

Description : ________ is a substance that can reduce the force of friction between the two surface in contact. a) lubricant b)paste c)water d)push

Last Answer : a) lubricant

A ball bearing is used in shafts of motors, dynamos to reduce ______. a) movement b)friction c)speed d)none

Description : A ball bearing is used in shafts of motors, dynamos to reduce ______. a) movement b)friction c)speed d)none

Last Answer : b)friction

The armature of a dc machine is laminated to reduce: (A) Eddy current loss (B) Hysteresis loss (C) copper losses (D) friction and windage losses

Description : The armature of a dc machine is laminated to reduce: (A) Eddy current loss (B) Hysteresis loss (C) copper losses (D) friction and windage losses

Last Answer : Ans: A Thinner the laminations, greater is the resistance offered to the induced e.m.f., smaller the current and hence lesser the I2R loss in the core.

Explain whether there is acceleration of a rotating object at a balanced speed in a circular motion ?

Description : Explain whether there is acceleration of a rotating object at a balanced speed in a circular motion ?

Last Answer : : In a circular path, there is no acceleration of the rotating object at a balanced speed The rate of change of unequal velocity is called acceleration. So if the velocity is balanced , there will be no acceleration Be it in a circular way or in a straight way.

A larger force on a rotating body results in larger _______. (1) Mass (2) Torque (3) Axis of rotation (4) Centre of mass

Description : A larger force on a rotating body results in larger _______. (1) Mass (2) Torque (3) Axis of rotation (4) Centre of mass

Last Answer : (3) Axis of rotation

What should a person on a freely rotating turn table do to decrease his (angular) speed? (1) Bring his hands together (2) Raise his hands up (3) Spread his hands outwards (4) Sit down with raised hands

Description : What should a person on a freely rotating turn table do to decrease his (angular) speed? (1) Bring his hands together (2) Raise his hands up (3) Spread his hands outwards (4) Sit down with raised hands

Last Answer : (3) Spread his hands outwards Explanation: The answer is related to the conservation of angular momentum. The person on the rotating table will maintain approximately the same angular momentum during the spin. ... by reducing the distance of the mass of her arms and hands from the axis of rotation.

Centripetal force is dependent on three factors, the odd one out of these factors is A. Mass of the rotating object B. Speed of the rotating object C. Volume of the rotating object D. Path radius

Description : Centripetal force is dependent on three factors, the odd one out of these factors is A. Mass of the rotating object B. Speed of the rotating object C. Volume of the rotating object D. Path radius

Last Answer : Volume of the rotating object

When a mass is rotating in a plane about a fixed point, its angular momentum is directed along: (1) the tangent to the orbit (2) a line perpendicular to the plane of rotation (3) the line making an angle of 45° to the plane of rotation (4) the radius

Description : When a mass is rotating in a plane about a fixed point, its angular momentum is directed along: (1) the tangent to the orbit (2) a line perpendicular to the plane of rotation (3) the line making an angle of 45° to the plane of rotation (4) the radius

Last Answer : (2) a line perpendicular to the plane of rotation

A flywheel rotating at 5 revolutions per second is brought to rest by a constant torque in 10 seconds. How many revolutions does the flywheel make while coming to a stop? w) 25 x) 50 y) 75 z) 100

Description : A flywheel rotating at 5 revolutions per second is brought to rest by a constant torque in 10 seconds. How many revolutions does the flywheel make while coming to a stop? w) 25 x) 50 y) 75 z) 100

Last Answer : ANSWER: W -- 25

An ice skater is rotating with her arms extended. When she pulls in her arms her rate of rotation increases. Which of the following statements dealing with the process is TRUE? w) Her moment of inertia is increased. x) Kinetic energy is conserved. y) The skater does work when pulling in her arms. z) Angular momentum is increased.

Description : An ice skater is rotating with her arms extended. When she pulls in her arms her rate of rotation increases. Which of the following statements dealing with the process is TRUE? w) Her moment of ... conserved. y) The skater does work when pulling in her arms. z) Angular momentum is increased.

Last Answer : ANSWER: Y -- THE SKATER DOES WORK WHEN PULLING IN HER ARMS 

What should a person on a freely rotating turn table do to decrease his (angular) speed ? (1) Bring his hands together (2) Raise his hands up (3) Spread his hands outwards (4) Sit down with raised hands

Description : What should a person on a freely rotating turn table do to decrease his (angular) speed ? (1) Bring his hands together (2) Raise his hands up (3) Spread his hands outwards (4) Sit down with raised hands

Last Answer : Spread his hands outwards

Jam nut is a locking device in which (A) A smaller nut is tightened against main nut creating friction at the contacting surface (B) A split pin is passed through diametrically opposite slots in nut and a hole in bolt and the two ends of split pin are separated and bent back on nut (C) A slot is cut in the middle of nut along the length and a cap screw is provided to tighten the two parts of nut separated by slot (D) An elastic piece is tightened in the nut by a setscrew

Description : Jam nut is a locking device in which (A) A smaller nut is tightened against main nut creating friction at the contacting surface (B) A split pin is passed through diametrically opposite slots in nut and ... parts of nut separated by slot (D) An elastic piece is tightened in the nut by a setscrew

Last Answer : (A) A smaller nut is tightened against main nut creating friction at the contacting surface

Castle nut is a locking device in which (A) A smaller nut is tightened against main nut creating friction at the contacting surface (B) A split pin is passed through diametrically opposite slots in nut and a hole in bolt and the two ends of split pin are separated and bent back on nut (C) A slot is cut in the middle of nut along the length and a cap screw is provided to tighten the two parts of nut separated by slot (D) An elastic piece is tightened in the nut by a setscrew

Description : Castle nut is a locking device in which (A) A smaller nut is tightened against main nut creating friction at the contacting surface (B) A split pin is passed through diametrically opposite slots in nut and ... of nut separated by slot (D) An elastic piece is tightened in the nut by a setscrew

Last Answer : (B) A split pin is passed through diametrically opposite slots in nut and a hole in bolt and the two ends of split pin are separated and bent back on nut

Gearing, blacklash, friction between moving parts and scale accuracies are generally known as

Description : Gearing, blacklash, friction between moving parts and scale accuracies are generally known as  (a) Instrument errors (b) Interference errors (c) Calibration errors (d) Interaction errors

Last Answer : Gearing, blacklash, friction between moving parts and scale accuracies are generally known as Instrument errors

Does anyone know the coefficient of friction for an A rated tire?

Description : Does anyone know the coefficient of friction for an A rated tire?

Last Answer : answer:I can't give you an exact number on that, but I the A traction grade is the second-highest rating given to a tire, AA being the highest. The traction grade applies to wet ... 'd see on a skidpad test. There, you have sidewall construction and vehicle characteristics to consider as well.

Explain the disadvantages of friction ?

Description : Explain the disadvantages of friction ?

Last Answer : Vehicles cannot move easily due to excessive friction. As a result of friction between the moving parts of the machinery, they are eroded and torn. Any type of vehicle has to spend extra fuel ... converted into heat. This causes the engine parts to overheat which can cause the engine to malfunction.

Explain the effect of friction on motion ?

Description : Explain the effect of friction on motion ?

Last Answer : Friction is a kind of barrier force that slows down the motion of an object. Although friction causes many problems in our daily life, friction plays an important role in movement and driving. Road and ... car to move forward. The brakes used to control the speed work on the principle of friction.

Explain why friction occurs while driving .

Description : Explain why friction occurs while driving .

Last Answer : Apparently, the surface of an object seems to be smooth, but when viewed with the help of a microscope, many high and low grooves can be noticed on it. When an object moves over another object , ... As a result, the motion of one floor over another is restricted. This is how friction is created.

What is flowing friction ?

Description : What is flowing friction ?

Last Answer : When an object is moving in a flowing substance, the action of friction is called flowing friction.

Argument in favor of friction is a necessary nuisance ?

Description : Argument in favor of friction is a necessary nuisance ?

Last Answer : There is nothing we can do without friction. If there were no friction, the motion of the object would not have stopped , it would have continued non-stop. A nail is fixed to the wall because ... parachute. So while friction is considered a nuisance in many areas of our daily lives, it is essential.

What is friction ? Write the names of different types of friction ?

Description : What is friction ? Write the names of different types of friction ?

Last Answer : When two objects try to move on top of each other or keep moving, the obstruction that arises against this motion at the touch of both objects is called friction. Four types of friction. Namely- 1. Position friction , II. Slippery friction , 3. Rotating friction , 4. Flowing friction.

Explain the difference between vortex friction and vortex friction ?

Description : Explain the difference between vortex friction and vortex friction ?

Last Answer : The friction that occurs when an object tries to slip or rub on the surface of another object, that is, when it moves, and the friction that acts against the motion when an object rolls ... to cyclic friction. Undoubtedly, the value of rotational friction is much lower than that of bismuth friction.

What are the benefits of friction ?

Description : What are the benefits of friction ?

Last Answer : Advantages of friction: (a) I could not walk without friction. (B) Nail or screw flour would not be possible. (C) No giro could be given on the rope.

Friction is a necessary nuisance - argue in favor ?

Description : Friction is a necessary nuisance - argue in favor ?

Last Answer : Friction is a necessary nuisance. Apparently there is no need for friction. But without friction, an object would continue to move in the same unobstructed way. If there was no friction again, ... there was no friction, we would have faced various difficulties. So friction is a necessary nuisance.

Why friction force is not a conservation force ?

Description : Why friction force is not a conservation force ?

Last Answer : If an object starts its journey from a point and turns in a certain direction and then returns to the same point. This is possible in the case of gravitational forces and electric balls. This ... force of friction is not zero. Rather negative. For this reason friction force is not forest protection.

What is friction and friction force ?

Description : What is friction and friction force ?

Last Answer : Friction and friction force: When an object tries to move or move from one object to another in contact, an obstacle arises against the motion of the two objects , this obstacle is called ... . The force of friction always acts in the opposite direction of motion. Friction always hinders motion.

What is bisarpa friction ?

Description : What is bisarpa friction ?

Last Answer : : The friction that occurs when an object tries to slip or rub on the surface of another object is called slippery friction.

What is friction called ?

Description : What is friction called ?

Last Answer : Friction is called Necessary evil .

What is friction ?

Description : What is friction ?

Last Answer : When an object tries to move or move from one object to another in contact with another, an obstacle is created against the motion of the two objects , this obstacle is called friction.

What is Static Friction ?

Description : What is Static Friction ?

Last Answer : The friction that occurs between two surfaces when one is not moving relative to the other is called positional friction.

What is slippery friction ?

Description : What is slippery friction ?

Last Answer : The friction that occurs when an object tries to slip or rub on the surface of another object is called slippery friction.

What is rotation friction ?

Description : What is rotation friction ?

Last Answer : When an object rolls over another surface, the force of friction that acts against the motion is called rotational friction force. The speed of the wheel of the bicycle, the speed of the marble is an example of rotating friction.

What is flowing friction ?

Description : What is flowing friction ?

Last Answer : Friction that acts when an object is moving between any flowing substance such as liquid or gaseous matter is called flowing friction. The parachute exploits the friction of the current.

The water from a hand pump is warm in winter because - (1) our body is cold in winter and the water appears to be warm (2) the temperature inside the Earth is higher than the atmospheric temperature (3) the pumping process causes friction which warms up the water (4) inside water comes out and absorbs heat from the environment

Description : The water from a hand pump is warm in winter because - (1) our body is cold in winter and the water appears to be warm (2) the temperature inside the Earth is higher than the atmospheric ... causes friction which warms up the water (4) inside water comes out and absorbs heat from the environment

Last Answer : (2) the temperature inside the Earth is higher than the atmospheric temperature

The water from a hand pump is warm in winter because – (1) Our body is cold in winter and the water appears to be warm (2) The temperature inside the earth is higher than the atmospheric temperature (3) The pumping process causes friction which warms up the water (4) Inside water comes out and absorbs heat from the environment

Description : The water from a hand pump is warm in winter because - (1) Our body is cold in winter and the water appears to be warm (2) The temperature inside the earth is higher than the atmospheric ... causes friction which warms up the water (4) Inside water comes out and absorbs heat from the environment

Last Answer : (2) The temperature inside the earth is higher than the atmospheric temperature Explanation: In winter, the outside temperature is lower than that of water flowing out of the pump, and therefore, the ... the outside temperature is higher than the water of the pump, and therefore, it feels cold.

The water from a hand pump is warm in winter because – (1) Our body is cold in winter and the water appears to be warm (2) The temperature inside the earth is higher than the atmospheric temperature (3) The pumping process causes friction which warms up the water (4) Inside water comes out and absorbs heat from the environment

Description : The water from a hand pump is warm in winter because - (1) Our body is cold in winter and the water appears to be warm (2) The temperature inside the earth is higher than the atmospheric ... causes friction which warms up the water (4) Inside water comes out and absorbs heat from the environment

Last Answer : (2) The temperature inside the earth is higher than the atmospheric temperature Explanation: In winter, the outside temperature is lower than that of water flowing out of the pump, and therefore, the ... the outside temperature is higher than the water of the pump, and therefore, it feels cold.