# How is inertia used when riding a bicycle?

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## Do bicycles use inertia?

Newtons first law of motion is sometimes called the law of inertia. Inertia is an objects tendency to resist changes in motion, so that could be interpreted in the example of the bicycle this way: The bicycle, before it moves, has inertia.

## What is inertia in cycling?

What is Inertial Motion? Inertial Motion describes how objects move in the absence of external forces. For a coasting cyclist, it is the CyclistCycle inertial motion that keeps it moving even though the cyclist is not pedaling.

## What forces are used when riding a bike?

The primary external forces on the bike are gravity, ground, friction, rolling resistance, and air resistance.

## Why do bikes stop when pedaling?

When we stop pedaling, the bicycle begins to slow down. The reason is friction starts acting opposite to direction of motion which leads to slowing down the bicycle.

## Is riding a bike a balanced force?

When you ride a bike the force of the friction of the tires against the road is greater than the opposing force of friction with the air. The bicycle moves forward. This is an example of unbalanced forces.

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## What two factors do you use to describe a force?

To fully describe the force acting upon an object, you must describe both the magnitude (size or numerical value) and the direction.

## Which of the following does Newton’s first law of motion describe?

Newton’s first law states that if a body is at rest or moving at a constant speed in a straight line, it will remain at rest or keep moving in a straight line at constant speed unless it is acted upon by a force.

## Which two forces are trying to make the cyclist slow down?

Answer: The two main forces that oppose your motion are aerodynamic drag (air resistance) and rolling resistance of the tyres against the road.

## Is riding a bike push or pull?

When you ride a bike, you are pushing on the pedals, and they are connected to gears, which cause the wheels to turn. The bike doesn’t move by itself. To be in motion, the bike needs to have you put force on it by pedaling.

## What are the 3 laws of inertia?

The laws are: (1) Every object moves in a straight line unless acted upon by a force. (2) The acceleration of an object is directly proportional to the net force exerted and inversely proportional to the object’s mass. (3) For every action, there is an equal and opposite reaction.