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4 years ago

How would you compare and contrast the 3 types of friction?

2 answers:

7 0

Rolling friction . the force that slows down the movement of a rolling object
sliding friction.
Sliding friction : The opposing force that comes into play when one body is actually sliding over the surface of the other body is called sliding friction. e.g. A flat block is moving over a horizontal table.

Kinetic or dynamic friction: If the applied force is increased further and sets the body in motion, the friction opposing the motion is called kinetic friction

victus00 [196]4 years ago

6 0

The three types of friction are the Static friction, Kinetic friction and the Rolling friction.

Further Explanation:

The friction between the two surfaces is the resistive force that acts between the surfaces such that it opposes the relative motion between the surfaces.

The Static friction is the friction force that is required to make an object move from rest. The static friction force is the maximum friction force experienced by a body whereas the body is considered to be under the kinetic friction when it starts to move. The friction force acting on a body while it is sliding over a surface is termed as the kinetic friction of the body.

The rolling friction is a friction force experienced by the circular or a spherical body as it rolls on a surface. In rolling friction, there is no sliding between the surfaces.

Thus, the three types of friction act on a body depending on the shape of the body and also depending on the state of rest or motion of the body.

Learn More:

Which of the following is not a component of a lever brainly.com/question/1073452
Calculate the average translational kinetic energy (sometimes just called average kinetic energy) brainly.com/question/9078768
Forces of attraction limit the motion of particles most in brainly.com/question/947434

Answer Details:

Grade: High School

Chapter: Friction

Subject: Physics

Keywords: Friction, static friction, dynamic, rolling friction, normal reaction, motion, surface, relative motion, sliding.

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nata0808 [166]

Answer:

a) Frope= 71.7 N

b) Frope=6.7 N

Explanation:

In the figure the skier is simulated as an object, "a box".

a) At constant velocity we can say that the object is in equilibrium, so we apply the Newton's first law:

∑F=0

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Frope=71.71N

Take into account that w is the weight that is calculated as mass per gravitiy constant:

w=m*g

$w=61.8Kg*9.8\frac{m}{s^{2} }$

$w=605.64N$

b) In this case the system has an acceleration of 0.109m/s2. Then, we apply Newton's second law of motion:

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3 years ago

What is the acceleration of this object? The object's mass is 60 kg.

Licemer1 [7]

First determine the net force. Let's say the downwards force is negative and the upwards force is positive.
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Since I said negative is downwards, this translates to the net force being 200N downwards.

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