Air resistance / drag and friction are both forces which act in the opposite direction to the motion of a car
When a car is in motion, the main forces acting on it are: Thrust force from the engine propelling the car forward. Frictional force between the tires and the road resisting the car's motion. Air resistance acting opposite to the direction of motion, which increases with speed. Gravitational force pulling the car downward.
Friction is the only thing preventing the wheels spinning. The point on the wheel touching the road is trying to push the road backwards, and if it doesn't slip the road resists with an opposing frictional force. This force will equal the sum of all the forces trying to stop the car (wind resistance etc) plus any mass x acceleration of the car.
The car will decelerate due to the force of gravity acting against it on the slope. The net force on the car will be the force of gravity acting downwards minus the frictional force acting against the car's motion. You can calculate the acceleration using Newton's second law, F = ma, then calculate the distance traveled using the equations of motion.
There are several forces acting on a still car: gravity pulling it downward, normal force pushing it upward, and frictional forces opposing motion on the ground.
There is no force that maintains motion by itself. Motion is maintained by Newton's Law, that objects in motion tend to stay in motion. Forces can act to stop the motion, such as the force from friction, in which case some other force, such as the force provided by a car's engine, is what keeps the car from slowing down and stopping. But, in the absence of forces acting against motion, such as friction, an object will remain in motion with no forces acting on it.
The reaction force to the friction acting on the car is the friction force acting on the road. It acts on the car in the opposite direction to the friction force acting on the car.
When a car is in motion, the main forces acting on it are: Thrust force from the engine propelling the car forward. Frictional force between the tires and the road resisting the car's motion. Air resistance acting opposite to the direction of motion, which increases with speed. Gravitational force pulling the car downward.
on a still car the weight force is down, and is balanced with the reaction force (working upwards). friction of forward and balanced with drag - backwards. ;)
A
Friction is the only thing preventing the wheels spinning. The point on the wheel touching the road is trying to push the road backwards, and if it doesn't slip the road resists with an opposing frictional force. This force will equal the sum of all the forces trying to stop the car (wind resistance etc) plus any mass x acceleration of the car.
The car will decelerate due to the force of gravity acting against it on the slope. The net force on the car will be the force of gravity acting downwards minus the frictional force acting against the car's motion. You can calculate the acceleration using Newton's second law, F = ma, then calculate the distance traveled using the equations of motion.
There are several forces acting on a still car: gravity pulling it downward, normal force pushing it upward, and frictional forces opposing motion on the ground.
There is no force that maintains motion by itself. Motion is maintained by Newton's Law, that objects in motion tend to stay in motion. Forces can act to stop the motion, such as the force from friction, in which case some other force, such as the force provided by a car's engine, is what keeps the car from slowing down and stopping. But, in the absence of forces acting against motion, such as friction, an object will remain in motion with no forces acting on it.
Yes, in order for an object to accelerate or decelerate, the resultant force cannot be zero.To cause a car to accelerate, the forward force (thrust force/engine force) must be greater than the backwards force (friction force/brake force). When this unbalanced force is achieved, the body will initiate its motion.
When a car accelerates from stationary to its top speed, the main forces acting on it are the driving force from the engine (propelling the car forward), frictional force between the tires and the road (opposing motion), and air resistance (opposing motion as speed increases). Additionally, the car's weight is always acting downwards.
Acceleration can be in the opposite direction of motion, which is called deceleration. Acceleration can also be in the same direction as motion, causing an increase in speed. The direction of acceleration depends on the forces acting on the object.
When a car is accelerating, the main forces acting on it are the driving force from the engine that propels the car forward, and the opposing forces such as friction between the tires and the road surface, air resistance, and the car's inertia that resists the change in motion.