Answer:
the answer is B hardness and brittleness
Explanation:
I did edgenuity test ;)
53775
ke= 0.5mv(2)
= 0.5 x 478 x 15(2)
74N
force = mass * acceleration
force = 20 * 3.7
force = 74N
Answer: An object with a greater mass requires a greater force to accelerate.