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What is the difference between Static and Kinetic Friction?
Between any two body surfaces in contact there acts an frictional force. A friction can operate between a given pair of solids, between a solid and fluid or between a pair of fluids. There are two types of frictional forces : kinetic and static friction. When two bodies in contact move with respect to each other , rubbing the surfaces in contact the friction between them is called kinetic friction. The directions of frictional forces are such that it opposes the relative motion. Friction forces can also act between two bodies which are in contact but not moving or sliding with respect to each other. The friction in such case is static friction.
Is gravity a contact or non-contact force?
Non-contact. Gravity can effect objects separated by hundreds of millions of light years -- which is why our galaxy is moving towards the Sharpley Super-cluster.
Moving things can make other things?
Forces
Examples of when a force causes an object to stop moving?
Take a ball and push it an angle yo direction of motion.what do you observe? Answer-change the angle of your hand with respect to the direction of motion of the ball.Does yoo effort result in change in direction of motion of ball?
What is the friction that hinders a stationary object from moving on a surface when a force is applied to that object?
Static friction. The frictional force is greater then the force applied, meaning the object can't move.
What 2 things can reduce frictional forces?
Lubricants such as oil or grease can reduce frictional forces by providing a slippery layer between moving surfaces. Polishing or smoothing the surfaces in contact can also reduce frictional forces by eliminating roughness that causes resistance.
Describe each force that are acting on a moving object?
forces of body depends on the path it is moving for example if it is moving in straight path it under go forces like frictional forces and forces applied on it if the body is moving in slant path it has frictional force,acceleration due to to gravity(which acts down wards)
What does Frictional forces?
Frictional force resists movement. In order to set an object into motion (or accelerate an already moving object), the force of friction must be overcome.
What is the difference between Static and Kinetic Friction?
Between any two body surfaces in contact there acts an frictional force. A friction can operate between a given pair of solids, between a solid and fluid or between a pair of fluids. There are two types of frictional forces : kinetic and static friction. When two bodies in contact move with respect to each other , rubbing the surfaces in contact the friction between them is called kinetic friction. The directions of frictional forces are such that it opposes the relative motion. Friction forces can also act between two bodies which are in contact but not moving or sliding with respect to each other. The friction in such case is static friction.
Which forces are working when car moving in forward direction?
When a car is moving in the forward direction, the main forces at play are the engine force propelling the car forward, the frictional force between the tires and the road providing traction, and air resistance acting against the car's motion. These forces work together to keep the car moving in the desired direction.
What are forces on moving object?
The main forces acting on a moving object are gravitational force, frictional force, and air resistance. Gravitational force pulls the object towards the Earth, frictional force opposes the object's motion on surfaces, and air resistance hinders the object's motion through the air. These forces can affect the speed, direction, and behavior of the moving object.
How do planets in the solar system keep moving?
An object has a general tendency to keep moving - that's how our Universe works. No force is required to keep an object moving - unless there is another force that slows it down. Here on Earth, there are usually frictional forces that slow objects down, and therefore a force is required to counteract the frictional forces.
What is different between static friction and kinetic friction?
Between any two body surfaces in contact there acts an frictional force. A friction can operate between a given pair of solids, between a solid and fluid or between a pair of fluids. There are two types of frictional forces : kinetic and static friction. When two bodies in contact move with respect to each other , rubbing the surfaces in contact the friction between them is called kinetic friction. The directions of frictional forces are such that it opposes the relative motion. Friction forces can also act between two bodies which are in contact but not moving or sliding with respect to each other. The friction in such case is static friction.
Why an object that moves along the surface slowdown and stop?
An object slows down and stops due to forces acting against its motion, such as frictional forces from contact with the surface it's moving on. These forces oppose the object's movement, causing it to lose kinetic energy and eventually come to a stop.
What forces act on an object moving up?
When an object is moving up, the force of gravity acts downward, resisting the motion. Additionally, air resistance may also act in the opposite direction to slow down the object. If the object is in contact with a surface, frictional forces may also play a role in affecting its upward motion.
What are the conditions for an object to stay at restto keep moving at constant velocityor to move with increasing velocity?
You have three separate situations here:1. Object stays at rest. The force on the object is not great enough to overcome its frictional forces, or its inertia.2. Object keeps moving at constant velocity. The object's inertia and frictional forces are exactly balancedby the Force exerted on it.3. Object moves with increasing velocity (acceleration). The Force on the object exceeds that necessary to overcome its inertia and its frictional forces.
Is it possible for a car moving with a consonant velocity to have forces acting on it.describe?
Yes, frictional forces such as air, tires against the ground, gravity pulling the car down, force of engine moving car forward. The positive force of the engine turning the drive train and the wheels is equaled by the frictional forces; so overall forces balance out.
