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What can other forces do that frictional forces cannot do?
cause motion &+ cause positive acceleration . #
What can many other forces do that frictional forces cannot do?
Many other forces can change the shape or motion of an object, while frictional forces primarily oppose motion by creating resistance. Additionally, other forces such as gravitational, electromagnetic, and nuclear forces can act over larger distances compared to the localized effects of friction. Frictional forces also do not have the ability to attract or repel objects like electromagnetic forces do.
In which situations is mechanical energy conserved?
A ball is thrown up into the air withough encountering air resistance.
How does frictional forces occur?
Frictional forces occur when two surfaces come into contact with each other and resist motion. This resistance is due to the roughness of the surfaces, which causes interlocking and binding between the microscopic bumps and grooves on each surface. The frictional force generated opposes the direction of motion and can be influenced by factors such as the nature of the surfaces, the normal force pressing them together, and the presence of any lubricants.
What are two types of contact forces?
Two types of contact forces are frictional forces, which occur when two surfaces are in contact and resist relative motion, and normal forces, which act perpendicular to the contact surface to prevent objects from passing through each other.
What forces act on stationary objects?
When an object is stationary, the forces acting on it are balanced. These forces could include gravitational force, normal force, frictional force, and any other external forces. The net force on the object is zero, resulting in no acceleration and the object remaining at rest.
A frictional fore is the sum of all of the other forces from different directions acting on the object?
A frictional force is the force that opposes the motion of an object when it comes into contact with another surface. It is caused by the interactions between the surfaces and the irregularities at a microscopic level.
What is non frictional force?
Non-frictional force refers to forces that act on an object without involving any friction between surfaces. Examples include gravitational force, electromagnetic force, and normal force. These forces can cause motion, deformation, or other effects on an object without the need for friction between surfaces.
What makes things stand still?
Things stand still when the forces acting on them are balanced, preventing any movement. This equilibrium can be achieved through a combination of gravitational, frictional, and inertial forces. If an object is not experiencing any external forces or if the forces acting on it cancel each other out, it will remain at rest.
What are three contact forces?
contact forces are those types of forces that result when the two interacting objects are perceived to be physically contacting each other Examples are 1. Frictional force 2. Tension force 3. Normal force 4. Air Drag etc.,
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.
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.
