What is Static Friction ?

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Answer :

In this friction two objects are subject to each other
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Related questions

A uniform cylinder of weight W is rolling while slipping on a rough horizontal surface under the influence of a horizontal force. The force of friction between the cylinder and the surface is a.Proportional to the coefficient of static friction b.Proportional to the coefficient of dynamic friction c.Indeterminate d.Determinate but depends on the acceleration of the cylinder e.None of the above

Description : A uniform cylinder of weight W is rolling while slipping on a rough horizontal surface under the influence of a horizontal force. The force of friction between the cylinder and the surface is a. ... c.Indeterminate d.Determinate but depends on the acceleration of the cylinder e.None of the above

Last Answer : c. Indeterminate

Which one of the following is not the law of dry friction? a.If friction is neglected, the reactions are always normal to the surfaces on contact b.Friction always acts to oppose the relative motion of the free body c.If static friction is acting, the value of the friction force may vary from zero to its maximum value d.The force of friction is always normal to the surface e.All of the above

Description : Which one of the following is not the law of dry friction? a.If friction is neglected, the reactions are always normal to the surfaces on contact b.Friction always acts to oppose the relative motion of ... its maximum value d.The force of friction is always normal to the surface e.All of the above

Last Answer : d. The force of friction is always normal to the surface

A 5 m ladder of mass 25 kg is placed in a position where its inclination to a vertical wall is at 30?. A 100 kg man is to climb the ladder. If the coefficient of static friction is 0.25 the height along ladder at which the slipping will be induced would be a.2.4 m b.1.6 m c.0.8 m d.1.2 m e.0.5 m

Description : A 5 m ladder of mass 25 kg is placed in a position where its inclination to a vertical wall is at 30?. A 100 kg man is to climb the ladder. If the coefficient of static friction is 0.25 the height along ladder at which the slipping will be induced would be a.2.4 m b.1.6 m c.0.8 m d.1.2 m e.0.5 m

Last Answer : c. 0.8 m

A uniform cylinder of weight W is rolling while slipping on a rough horizontal surface under the influence of a horizontal force. The force of friction between the cylinder and the surface is a.Indeterminate b.Proportional to the coefficient of dynamic friction c.Determinate but depends on the acceleration of the cylinder d.107 dynes e.Proportional to the coefficient of static friction

Description : A uniform cylinder of weight W is rolling while slipping on a rough horizontal surface under the influence of a horizontal force. The force of friction between the cylinder and the surface is a. ... on the acceleration of the cylinder d.107 dynes e.Proportional to the coefficient of static friction

Last Answer : c. Determinate but depends on the acceleration of the cylinder

Static friction is always a.greater than the dynamic driction b.either greater or more than the dynamic friction c.less than the dynamic friction d.107 dynes e.equal to the dynamic friction

Description : Static friction is always a.greater than the dynamic driction b.either greater or more than the dynamic friction c.less than the dynamic friction d.107 dynes e.equal to the dynamic friction

Last Answer : a. greater than the dynamic driction

The coefficient of static friction will have the highest value in case of a.Mild steel and mild steel b.Mild steel and copper c.Cast iron and steel d.Rope and wood e.Any of the above loctions

Description : The coefficient of static friction will have the highest value in case of a.Mild steel and mild steel b.Mild steel and copper c.Cast iron and steel d.Rope and wood e.Any of the above loctions

Last Answer : d. Rope and wood

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.

A block of mass 37 kg rests on a rough horizontal plane having coefficient of static friction 0.3.

Description : A block of mass 37 kg rests on a rough horizontal plane having coefficient of static friction 0.3.

Last Answer : A block of mass 37 kg rests on a rough horizontal plane having coefficient of static friction ... force required to just move the block horizontally.

Calculate the coefficient of static friction for an object of mass 50 kg placed on horizontal table

Description : Calculate the coefficient of static friction for an object of mass 50 kg placed on horizontal table

Last Answer : Calculate the coefficient of static friction for an object of mass 50 kg placed on horizontal ... object just moves when spring balance shows 50N.

What is friction? Define coefficient of static friction and coefficient of kinetic friction.

Description : What is friction? Define coefficient of static friction and coefficient of kinetic friction.

Last Answer : What is friction? Define coefficient of static friction and coefficient of kinetic friction. Give the necessary formula for each.

State the laws of static friction.

Description : State the laws of static friction.

Last Answer : State the laws of static friction.

Why force of static friction is known as ‘self-adjusting force?

Description : Why force of static friction is known as ‘self-adjusting force?

Last Answer : Why force of static friction is known as ‘self-adjusting force?

What is kinetic friction and static friction?

Description : What is kinetic friction and static friction?

Last Answer : Friction is the resistance to movement of an object pressing/resting/moving on a surface. It's not intuitively obvious but the standing still friction and moving friction are different. Assume you have a ... than the force required to keep it moving (kinetic friction) after it has begun to move.

Friction can be reduced by changing over from _____. A. Sliding to rolling B. Dynamic to static C. Potential energy to kinetic energy D. Rolling to sliding

Description : Friction can be reduced by changing over from _____. A. Sliding to rolling B. Dynamic to static C. Potential energy to kinetic energy D. Rolling to sliding

Last Answer : ANSWER: A

The function of ball bearings in a wheel is – (1) to increase friction (2) to convert kinetic friction into rolling friction (3) to convert static friction into kinetic friction (4) just for convenience

Description : The function of ball bearings in a wheel is – (1) to increase friction (2) to convert kinetic friction into rolling friction (3) to convert static friction into kinetic friction (4) just for convenience

Last Answer : (2) to convert kinetic friction into rolling friction Explanation: A ball bearing is a type of rollingelement bearing that uses balls to maintain the separation between the bearing races. The purpose of a ball bearing is to reduce rotational friction and support radial and axial loads.

Kinetic friction is always A. lesser than static friction B. greater than static friction C. equal to static friction D. equal to contact force

Description : Kinetic friction is always A. lesser than static friction B. greater than static friction C. equal to static friction D. equal to contact force

Last Answer : lesser than static friction

Liquid delivery by centrifugal pump starts, only when the head developed by it is equal to the __________ head. (A) Manometric (B) Total (C) Static (D) Friction

Description : Liquid delivery by centrifugal pump starts, only when the head developed by it is equal to the __________ head. (A) Manometric (B) Total (C) Static (D) Friction

Last Answer : (A) Manometric

A piezometer provided in the pipe measures (A) Friction factor (B) Static pressure (C) Dynamic pressure (D) None of these

Description : A piezometer provided in the pipe measures (A) Friction factor (B) Static pressure (C) Dynamic pressure (D) None of these

Last Answer : (B) Static pressure

Dynamic friction as compared to static friction is (A) Same (B) More (C) Less (D) May be less of more depending on nature of surfaces and velocity

Description : Dynamic friction as compared to static friction is  (A) Same  (B) More  (C) Less  (D) May be less of more depending on nature of surfaces and velocity 

Last Answer : (C) Less 

The function of ball bearings in a wheel is : (1) to increase friction (2) to convert kinetic friction into rolling friction (3) to convert static friction into kinetic friction (4) just for convenience

Description : The function of ball bearings in a wheel is : (1) to increase friction (2) to convert kinetic friction into rolling friction (3) to convert static friction into kinetic friction (4) just for convenience

Last Answer : to convert kinetic friction into rolling friction

State four laws of static friction.

Description : State four laws of static friction. 

Last Answer : 1. The frictional force is always acts tangential to the plane of contact and in the opposite direction of motion. 2. When the body is in limiting equilibrium, the ratio of limiting friction to ... is a self-adjusting force and it increases as the applied force increases up to limiting friction. 

Dynamic friction as compared to static friction is?

Description : Dynamic friction as compared to static friction is?

Last Answer : Dynamic  friction  is   less  compared  to  static  friction.