2. this diagram represents a top-down view of an experiment on a table. the 250 g and 100 g masses are falling and are pulling the block. draw an arrow to show which way the block will move. you do not have to interpret the size of the arrow, just draw the direction.

According to the data given in the question, experiment on table two pulling and falling masses are arranged in the fig. 250  g is pulling right side and   100 g pulling down. The gravitational force is common to both the masses, so we cannot say that the block moves towards heavier mass, also the block  does not move towards the lighter mass.

Obviously, the effect of heavier mass of 250 g is more on the block, so the block moves towards right bottom corner. i.e., diagonally between two masses

please find the attachment.

the area between the graph and the t axis

b. a lightning bug, plug of grass, and a worm