Is Friction Independent Of Actual Area Of Contact?

Q: Placing rough "grip strips" on a tile floor increases the on it, which reduces the possibility of…

A: Required : Effect of putting grip strips on a tile floor.

Q: Which is normally greater, static friction or sliding friction on the same object?

A: Friction is the resisting force which opposes the motion of the object.

Q: Force of friction is an example of ?

A: Force of friction is an example of a contact force.

Q: How does friction affect acceleration?

A: The force due to friction works in the opposite direction of the motion.

Q: Give some applications of Kinetic Friction.

A: Some applications of Kinetic Friction are :   Friction also plays a huge role in everyday…

Q: A man pushes horizontally a box, how many forces in total are acting on the man? Caution: consider…

A: Free body diagram of the box from above problem -

Q: is applied force not included as a contact force?

A: Yes, it is a contact force

Q: What is the cause of friction?

A: Friction is a force that resists the relative motion between two objects or materials. The causes of…

Q: is higher the coeffecient of friction better? explain

A: The ratio of the frictional force preventing motion of two surfaces in contact to the normal force…

Q: Calculating a kinetic frictional force

A: In the given question we have to discuss about the Kinetic frictional force.

Q: Does the coefficient of friction change with mass?

A: The coefficient of friction measures the amount of friction that exist between two contacting…

Q: Force of friction is describe by f = uN. True or False?*

A: The frictional force acting on a body is given by- f=μNwhere,μ is coefficient of friction and N is…

Q: Can the tensions of A and B for the 20-kg boat be calculated? Yes or no?

A: In this problem, it is asking that can we calculate the tensions A and B from given diagram.

Q: Find the acceleration of the blocks in the given figure if the coefficient of friction between the…

A: Given data: The mass of the blocks are m1=4 kg, m2=5 kg. The force is F=30 N

Q: What is Kinetic and Static Friction?

A:

Q: Do you think that a friction of a system is primarily due to bearing or to air resistance? Justify…

A: Frictional force is a kind of opposing force exerted by the surface which is in contact with the…

Q: How are static friction and sliding friction different?

A:

Q: What do you think makes something have a higher coefficient of friction?

A: Coefficient of friction is the measure of force of friction between two surfaces in contact. More…

Q: How to solve for coefficent of friction

A:

Q: 2.3 Figure 2.3 shows a patient in traction to immobilize a femoral fracture. Determine the resultant…

A: As the rope is in equilibrium condition, the magnitude of the forces in the rope are the same. Thus,

Q: Differentiate coefficient of sliding friction from coefficient of static friction

A:

Q: What is the difference between contact force and noncontact force?

A: The difference between the contact force and the non contact force is  1. Contact force appear due…

Q: What is the relation of the tensions in open belt with effect of mass of belt?

A:

Q: A horizontal force of 5 kN is acting on the wedge, as shown in the figure. The coefficient of…

A: Given data: The force act on the wedge is 5 kN The coefficient of friction is μ=0.25

Q: What would happen if there was no friction?

A: Friction is a force which opposes the motion. It is a restriction force. This force arises only when…

Q: Discuss how the shapes of different animals' bodies are designed to reduce friction

A: Required :  How the shapes of different animals' bodies are designed to reduce friction.

Q: What are some of the most common examples of helpful friction?

A: Few examples are : i) Walking on the road is because of the helpful friction between the foot and…

Q: Name the factors on which the coefficient of friction depends.

A: The coefficient of frictional force depends on the nature of the surface which is in contact with…

Q: Objects falling through air experience a type of friction called?

A:

Q: What happens to the magnitude of the normal vector on a block resting on an incline when the angle…

A: There is a decrease in the value of the vertical component until it reaches the maximum height and…

Q: What is dry friction?

A: Dry friction describes the reaction between two solid bodies in contact when they are in motion…

Q: Does frictional force depend on mass?

A: Friction is a force that opposes the relative motion of a body..Frictional force depends upon the…

Q: Why is the coefficient of static friction greater than the coefficient of kinetic friction?

A: static friction is greater than kinetic friction because in kinetic friction one object is in moving…

Q: Can you physically touch a person without that person touchinh you with same amount of force?

A: According to Newton's third law,For every action, there is an equal and opposite reaction.

Q: What’s the first step in solving a mechanics problem involving dry friction?

A: Step 1 - draw the necessary free body diagram. 2- show the friction force in the correct  direction.…

Q: Show that the acceleration of any object down a frictionless incline that makes an angle θ with the…

A: Acceleration due to gravity

Q: What is the coefficient of static friction?

A: Friction that is experienced when an object is placed on a surface is the static friction. The…

Q: What is the relation of the coefficient of static friction to the angle of inclination?

A: According to question we need to find relation of the coefficient of static friction to the angle of…

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: