Final answer:
The question is about determining the mass of sand needed to start moving a 10 kg block on an inclined plane with a pulley system, but essential information like the angle of inclination and the coefficient of friction is missing, making it impossible to calculate without assumptions.
Step-by-step explanation:
The student needs to determine the mass of sand required to start moving a 10 kg block on an inclined plane using a pulley system. To solve this problem, we need to use Newton's second law of motion and the mechanics involved in an incline-pulley system. This involves calculating the forces such as gravitational pull on the block, the tension in the rope caused by the bucket, and frictional force that has to be overcome for the block to start moving.
Unfortunately, given the information presented, there are essential details missing that are needed to solve the problem, such as the coefficient of friction between the block and the inclined plane and the angle of inclination. Without these, it's not possible to provide a definitive answer for the mass of sand required. Knowing the acceleration alone isn't enough because we need the net force to achieve that acceleration, which is found by the equation F = ma. The net force depends on both the gravitational component along the plane and the frictional force.