Physics problem: block sliding down.

In summary, a block is on a tilted plane with an angle of 25.5 degrees and a coefficient of kinetic friction of 0.17. The conversation involves discussing how to find the acceleration of the block as it slides down the plane and how to create a free body diagram. The conversation also includes criticism towards the person asking for help for not attempting to solve the problem themselves.
  • #1
lmf22
26
0
A block lies on a smooth plane tilted at an angel 25.5 degrees to the horizontal with coefficient of kinetic friction = 0.17.
What is the acceleration of the block as it slides down?
 
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  • #2
Do Free Body Diagram, or show where you're having difficulty.
 
  • #3
How do you make a freebody diagram online??
 
  • #4
Just make a rough picture of YOUR freebody diagram in paint (MS) and send it over. Additionally mention your reasoning and solution. You seem to be having trouble resolving forces. So for a start, forget about friction and draw all the forces on a block that is resting on an inclined plane on a piece of paper. Then draw a diagram representing the force of friction on the block as it moves down the incline.
 
  • #5
:mad: :mad: :mad: :mad:

try and solve SOMETHING man we aren't here to do your homework for you
 
  • #6
stunner5000pt said:
:mad: :mad: :mad: :mad:

try and solve SOMETHING man we aren't here to do your homework for you

Ha...exactly. He's probably trying to draw it on the computer (drawing on paper is easier anytime).
 

FAQ: Physics problem: block sliding down.

What is the formula for calculating the acceleration of a block sliding down a ramp?

The formula for calculating the acceleration of a block sliding down a ramp is a = gsinθ, where a is the acceleration, g is the acceleration due to gravity (9.8 m/s^2), and θ is the incline angle of the ramp.

How does the mass of the block affect its acceleration down the ramp?

The mass of the block does not affect its acceleration down the ramp. According to Newton's Second Law of Motion, the acceleration of an object is directly proportional to the force applied to it and inversely proportional to its mass. Since the force of gravity is constant, the mass of the block does not affect its acceleration.

What is the role of friction in a block sliding down a ramp?

Friction plays a significant role in a block sliding down a ramp. It acts in the opposite direction of the block's motion, slowing it down. The amount of friction depends on the surface of the ramp and the surface of the block. A rougher surface will have more friction, thus slowing down the block more.

How does the height of the ramp affect the block's speed at the bottom?

The height of the ramp does not directly affect the block's speed at the bottom. However, a higher ramp will result in a longer distance for the block to travel, thus increasing its speed. The speed at which the block reaches the bottom of the ramp is dependent on its acceleration and the distance it travels.

Can the block's potential energy be converted into kinetic energy as it slides down the ramp?

Yes, potential energy can be converted into kinetic energy as the block slides down the ramp. As the block moves down the ramp, the potential energy stored in its elevated position is converted into kinetic energy, resulting in an increase in speed. This is due to the conservation of energy principle, which states that energy cannot be created or destroyed, only transferred from one form to another.

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