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How do you raise and lower frictional forces?
You can increase frictional forces by roughening the surfaces in contact, increasing the weight pressing the surfaces together, or using materials with higher coefficients of friction. To decrease frictional forces, you can use lubricants, reduce the weight pressing the surfaces together, or choose materials with lower coefficients of friction.
Which friction slows down moving bodies kinetic or static?
Friction reduce the velocity, hence, it affect kinetic energy. The potential energy from static pressure is then drawn to maintain the velocity (transformation of potential -> kinetic energy). We then see the friction reduce the static pressure but actually, it affect kinetic first.
How does the volume of an object affect object's density?
Density is mass/volume. So for a given mass as the volume increases the density will reduce.
What occurs when two solid surfaces slide over each other?
When two solid surfaces slide over each other, a frictional force is generated which opposes the motion. This frictional force can create heat due to the material deformation at the contact points, causing wear and eventually leading to surface damage or failure. Lubricants can be used to reduce the friction and wear between the solid surfaces.
What is relative velocity observer moving 3.2meters per second toward object moving toward you at 1.4meters per second?
Ans;- 4.6 meters per second. This assumes they are heading 'Directly' towards each other, and the 'Impact speed' will be the sum of their individual speeds !. But If they are approaching each other on a collision path, but at an angle, then one of the speeds will be vectored, by trigonometry to reduce its approach speed, according to the angle.
How does drag vs air resistance affect the performance of a moving object?
Drag and air resistance can slow down a moving object by creating a force that opposes its motion. Drag is the force that acts in the opposite direction of the object's movement, while air resistance is the frictional force caused by the object moving through the air. Both drag and air resistance can reduce the speed and efficiency of the object, making it harder for it to maintain its velocity and reach its destination quickly.
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.
What are ways to reduce air resistance on a moving object?
You can reduce air resistance on a moving object by streamlining its shape to reduce turbulence, minimizing surface area exposed to the air, and using smooth, aerodynamic materials. Additionally, increasing the object's speed can help decrease the impact of air resistance.
What can reduce frictional forces?
Reducing surface roughness, applying lubricants, and using ball bearings can help reduce frictional forces between surfaces.
What measures would you recommend minimizing resistance?
Whatever moving object you have in mind the ways to reduce resistance are: Streamlining - remove projections if possible and make smooth and round if not Use low friction materials Reduce cross-sectional area of moving object
Is frictional force needed when hitting something?
Yes, frictional force is needed when hitting something in order to transfer momentum and energy effectively. Friction helps to slow down the object that is being hit, reduce the impact force, and prevent slipping or sliding upon contact.
How do air bags reduce the force of an object?
The air inside the air bag will warm up and it will deform as it absorbs energy from the moving object.
Why do wheel reduce the force of friction?
Wheels reduce the force of friction by minimizing the contact area between the object and the surface it's moving on. This decreases the amount of friction generated, allowing the object to move more easily. Additionally, wheels allow for rolling motion, which is more efficient than sliding motion, further reducing the frictional force.
What slows down a moving object?
Factors that can slow down a moving object include friction from surfaces it comes into contact with, air resistance, gravity, and any other opposing forces acting on it. These forces can reduce the object's speed or bring it to a stop.
What oil used in hydraulic bending machine?
to reduce frictional losses and increase lubrication
Why machine parts oil occasionally?
to reduce the energy loss due to frictional force.
In order to decrease the friction an object experiences you can either change the surface it sits on or you can What Its weight?
In order to decrease the friction an object experiences, you can either change the surface it sits on to a smoother material or decrease its weight to reduce the force pressing it against the surface, both of which would lower the frictional force acting on the object.
