Students rolled small, medium, and large balls down a ramp from different positions. The ball hit a block at the
bottom of the ramp. They measured how far the block
moved. The chart shows the data they recorded.
Distance block
moved (cm)
7 cm
Starting
height (cm)
3
5
7
3
5
7
3
5
7
Sam
Mass of
ball (g)
10
10
10
20
20
20
30
30
30
9
12
15
3 cm
45
30
60
91
Make a prediction. How far will the 20 g ball push the
block if it is released at the 5 cm height on the ramp?
A 15
B. 18
OC. 30
D. 45