Renny noticed that after oiling his skateboard wheels, it was easier to reach the speeds he needed to perform tricks. How did the oil help?
A:The oil reduced friction between the moving parts of the skateboard.
B:the oil increased the friction between the moving parts of the skateboard
C:the oil reduced friction between the skateboard wheels and the ground.
D:the oil increased the friction between the skateboard wheels and the ground.
It cant be B or D and I think it is A. Thank you
4 answers
Hi! The answer is B because the moving parts were not as stiff and were able to move faster and easier. Great job!
increased friction makes it slower and tighter
The answers to the test is:
1. B
2. C
3. A
4. A
5. D
I took it and got a 100%. This works for Connexus students too. :D
1. B
2. C
3. A
4. A
5. D
I took it and got a 100%. This works for Connexus students too. :D
Those answers are for 8th graders btw.
3 answers