i have a big problem with 2 loads being on two different inclined planes,both attached to a pulley.How to get started.I mean u have to resolve forces and then?How du u know where is the direction of tension or acceleration because i learnt with only one inclined olane and i am totally confused.Really need help!
It sounds like you have a complex problem involving two loads on inclined planes connected by a pulley system. To solve this problem, you will need to follow a step-by-step approach. Here's how you can get started:
1. Draw a diagram: Start by sketching a diagram of the system. Label the inclined planes, the loads, and the pulley. Indicate the angles of the incline and any other known values, such as masses or coefficients of friction.
2. Resolve forces: Next, resolve the forces acting on each load separately. For each load on the inclined plane, break down the gravitational force into its components parallel and perpendicular to the incline. Also, consider any other forces, such as friction or applied forces.
3. Apply Newton's second law: Use Newton's second law (F = ma) to find the acceleration of each load. The net force acting on each load is the difference between the force components along the incline and any resisting forces, like friction. Divide this net force by the mass of the load to find its acceleration.
4. Consider the tension and direction: The tension in the rope connecting the two loads will be the same throughout the system. However, the direction of the tension can be different depending on the relative magnitudes of the loads and their accelerations.
5. Analyze the system: Based on the forces and accelerations you found earlier, analyze how the system behaves. If one load has a higher acceleration than the other, the tension will be in the direction of the load with the higher acceleration. If the accelerations are equal, the tension will be in the direction opposite to the heavier load.
6. Iterate and verify: If necessary, re-evaluate your calculations and iterate through the steps to ensure accuracy. Verify your answers by comparing them with known physical principles, such as conservation of energy or momentum.
Remember, resolving forces and analyzing the resulting accelerations are crucial steps in solving this kind of problem. If you find yourself confused or stuck, seeking guidance from your teacher or a tutor who can provide hands-on assistance would be beneficial.