Marcus wants to test the effect of gravity on objects with different masses. He drops two footballs from a first-floor window, a second-floor window, and a third-floor window In each case, he times how long it takes the footballs to reach the ground. What is wrong with his experment's design?
O The windows are not high enough to show significant differences in drop times
It does not include objects with different masses
O It does not include objects with different shapes.
The drops are not repeated
(1 point)
Well, Marcus seems to be having a gravity-tastic experiment, but there's definitely a problem with his design. It looks like the experimenter forgot to include objects with different masses. Maybe he could throw a basketball or a bowling ball into the mix to see if mass affects the drop time? Otherwise, his experiment might not be able to properly test the effect of gravity on objects with different masses. Keep it up, Marcus, but let's make sure we cover all the bases!
The correct answer is:
The drops are not repeated
The correct answer is: It does not include objects with different masses.
The issue with Marcus' experiment design is that he is not including objects with different masses. In order to test the effect of gravity on objects with different masses, it is important to use footballs with different weights or other objects with varying mass. By only using footballs of the same mass, Marcus is unable to isolate and observe the influence of mass on the drop times. To improve the design of the experiment, Marcus should use footballs with different masses and repeat the drops multiple times to collect more data and ensure accuracy.