# Readers ask: With What Frictional Force Must The Road Push On A 1200 Kg Car If The Driver Exceeds The?

Contents

- 1 How do you calculate the force of friction?
- 2 What is the force of friction between the car and the road?
- 3 How do you find acceleration with frictional force?
- 4 What coefficient of friction is needed to keep the car on the road?
- 5 What is the force of friction equal to?
- 6 How is friction used in brakes?
- 7 What will happen if there is no friction between the tip of the fingers and the keyboard?
- 8 What is the formula to calculate acceleration?
- 9 What is the relationship between acceleration and mass?
- 10 What is the formula for acceleration with force and mass?
- 11 What is the minimum coefficient of friction needed?
- 12 Is friction a centripetal force?
- 13 What angle should the road be banked?

## How do you calculate the force of friction?

How to find force of friction

- Choose the normal force acting between the object and the ground. Let’s assume a normal force of 250 N.
- Determine the friction coefficient.
- Multiply these values by each other: (250 N) * 0.13 = 32.5 N.
- You just found the force of friction!

## What is the force of friction between the car and the road?

That “grab” is the frictional force between the tire and the ground. Friction may slow the car down as it moves along the road, but it also is the force that enables the car to move forward at all. It is the friction force that keeps the tires from sliding on the road.

## How do you find acceleration with frictional force?

The friction force depends on the mass of an object plus the coefficient of sliding friction between the object and the surface on which it slides. Subtract this force from the applied force to find the acceleration of the object.

## What coefficient of friction is needed to keep the car on the road?

The minimum friction coefficient required is 0.4.

## What is the force of friction equal to?

Friction acts opposite to the direction of the original force. The frictional force is equal to the frictional coefficient times the normal force. Friction is caused due to attractive forces between the molecules near the surfaces of the objects.

## How is friction used in brakes?

Friction braking is the most commonly used braking method in modern vehicles. It involves the conversion of kinetic energy to thermal energy by applying friction to the moving parts of a system. The friction force resists motion and in turn generates heat, eventually bringing the velocity to zero.

## What will happen if there is no friction between the tip of the fingers and the keyboard?

Answer. Answer: You’ll mess up typing. The world is better with friction because without it you can’t run, walk, or move You will just fall over, So good luck without friction!

## What is the formula to calculate acceleration?

Acceleration (a) is the change in velocity (Δv) over the change in time (Δt), represented by the equation a = Δv/Δt. This allows you to measure how fast velocity changes in meters per second squared (m/s^2). Acceleration is also a vector quantity, so it includes both magnitude and direction.

## What is the relationship between acceleration and mass?

The acceleration of an object depends directly upon the net force acting upon the object, and inversely upon the mass of the object. As the force acting upon an object is increased, the acceleration of the object is increased. As the mass of an object is increased, the acceleration of the object is decreased.

## What is the formula for acceleration with force and mass?

It is summarized by the equation: Force (N) = mass (kg) × acceleration (m/s²). Thus, an object of constant mass accelerates in proportion to the force applied.

## What is the minimum coefficient of friction needed?

The minimum coefficient of static friction can be obtained from this equation: If the velocity of the car is 72 km/hr (20 m/s) and the radius of curvature R = 190 m, the minimum value of the coefficient of static friction is 0.21.

## Is friction a centripetal force?

The frictional force supplies the centripetal force and is numerically equal to it. Centripetal force is perpendicular to velocity and causes uniform circular motion.

## What angle should the road be banked?

A banked surface is one that slopes upward towards the outer edge of a curve. Banked surfaces exist at on-ramps to highways because cars have to start traveling faster to enter the highway. The angle of banked surfaces of race car tracks range from 12° to 36°.