Mass of an object up inclined plain

In summary, the person applied a force of 1008N to a massless, unstretchable rope in an effort to pull Brisket into a trailer up a ramp with an angle of 24.0°. Brisket then moved down the ramp with an acceleration of 0.29m/s2. Using the equation mg*sin(24) - FR = ma, and assuming a frictionless ramp, the person is trying to calculate Brisket's mass, but their current calculation of 112.59kg is incorrect. They are advised to draw a free body diagram and use the correct equation to find the mass.
  • #1
Paulbird20
53
0
applied all the force FR=1008N that I could to the (massless, unstretchable) rope in an effort to pull Brisket into the trailer, up the ramp that formed an angle of 24.0° with the ground. Brisket moved down the ramp with an acceleration of magnitude 0.29m/s2. With this information, and assuming the ramp is frictionless, what is Brisket's mass (in kg)?

What i have done so far is Fn = mg cos (angle) and that is 1008/ 9.8cos 24(degrees)= 112.59 kg but it is not correct can anyone direct me into the right direction

Much appreciated
 
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  • #2
You're trying to pull the object UP the ramp, but it's moving DOWN. Draw a free body diagram!
 
  • #3
The equation should be
mg*sin(24)(downward force) - FR = ma
 

What is the mass of an object up an inclined plain?

The mass of an object up an inclined plain refers to the amount of matter it contains, and it is usually measured in kilograms (kg) or grams (g).

How do you calculate the mass of an object up an inclined plain?

The mass of an object up an inclined plain can be calculated by dividing the force of gravity acting on the object by the acceleration due to gravity (9.8 m/s²). This can be represented by the formula: mass = force / acceleration.

How does the angle of an inclined plain affect the mass of an object?

The angle of an inclined plain does not affect the mass of an object. However, it can affect the force of gravity acting on the object, which in turn can affect the mass if the object is in motion or at an angle.

What is the difference between mass and weight when an object is up an inclined plain?

Mass and weight are often used interchangeably, but they are different concepts. Mass refers to the amount of matter an object contains, while weight is a measure of the force of gravity acting on an object. The mass of an object remains constant, regardless of its location, while its weight can vary depending on the force of gravity at that location.

How does friction affect the mass of an object up an inclined plain?

Friction can affect the mass of an object up an inclined plain by adding an opposing force that must be overcome in order for the object to move. This can make the object feel heavier, but it does not actually change its mass. The amount of friction can vary depending on the surface of the inclined plain and the object's weight and shape.

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