REFLECTIONS FOR LAB 4- FRICTION
Lab 4.1 to 4.3 is about all the different frictions. We did 3 different labs. 4.1 was pulling a block across different surfaces and finding the difference in friction. 4.2 was about pulling multiple blocks across different surfaces and finding the difference in friction. 4.3 was about pulling blocks but in a bigger surfaces area.
In Lab 4.1 we had to pull different blocks across different surfaces. The surfaces were a tabletop, wax paper, paper towel, fine sandpaper, and coarse sandpaper. In order we had to pull a wood block over those surfaces 4 times. And then after that we had to get the averages and put them into a bar graph. Tabletop average was 0.62 newtons. Wax paper’s average was 0.5 newtons. The …show more content…
After that we did the average of our group and another group. For the tabletop 1 block was .55 newtons, 2 was 1.1 newtons, 3 was 1.541666666666 newtons, 2.13333333 newtons. Wax paper was .5083333333 newtons, 2 was 1.066666 newtons, 3 was 1.325 newtons, 4 was 1.708333333 newtons. Paper towel was .725 newtons, 2 was 1.225 newtons, 3 was 1.50833333 newtons, 4 was 2.066666 newtons. Fine sandpaper was 1.2083333 newtons, 2 was 2.975 newtons, 3 was 3.89166666 newtons, 4 was 5.15 newtons. Coarse sandpaper was 1.26666 newtons, 2 was 2.666666 newtons, 3 was 4.24166666 newtons, 4 was 5.9833333 newtons. Then I made a bar graph about the difference in newtons between the tabletop averages and coarse sandpaper.
In lab 4.3 we made a prediction. The question was what will happen to the force of friction when you increase the surface area? Then we were asked do you think that sliding friction depends on the amount of surface area? The area of 1 block’s friction is 2 newtons. Twice the size of the area’s friction is 2 newtons. Three times the size of the area’s friction is 2 newtons. Four times the size of the area’s friction is 2 newtons. Almost everyone got this one
Lab 4.1 to 4.3 is about all the different frictions. We did 3 different labs. 4.1 was pulling a block across different surfaces and finding the difference in friction. 4.2 was about pulling multiple blocks across different surfaces and finding the difference in friction. 4.3 was about pulling blocks but in a bigger surfaces area.
In Lab 4.1 we had to pull different blocks across different surfaces. The surfaces were a tabletop, wax paper, paper towel, fine sandpaper, and coarse sandpaper. In order we had to pull a wood block over those surfaces 4 times. And then after that we had to get the averages and put them into a bar graph. Tabletop average was 0.62 newtons. Wax paper’s average was 0.5 newtons. The …show more content…
After that we did the average of our group and another group. For the tabletop 1 block was .55 newtons, 2 was 1.1 newtons, 3 was 1.541666666666 newtons, 2.13333333 newtons. Wax paper was .5083333333 newtons, 2 was 1.066666 newtons, 3 was 1.325 newtons, 4 was 1.708333333 newtons. Paper towel was .725 newtons, 2 was 1.225 newtons, 3 was 1.50833333 newtons, 4 was 2.066666 newtons. Fine sandpaper was 1.2083333 newtons, 2 was 2.975 newtons, 3 was 3.89166666 newtons, 4 was 5.15 newtons. Coarse sandpaper was 1.26666 newtons, 2 was 2.666666 newtons, 3 was 4.24166666 newtons, 4 was 5.9833333 newtons. Then I made a bar graph about the difference in newtons between the tabletop averages and coarse sandpaper.
In lab 4.3 we made a prediction. The question was what will happen to the force of friction when you increase the surface area? Then we were asked do you think that sliding friction depends on the amount of surface area? The area of 1 block’s friction is 2 newtons. Twice the size of the area’s friction is 2 newtons. Three times the size of the area’s friction is 2 newtons. Four times the size of the area’s friction is 2 newtons. Almost everyone got this one