A rock is thrown vertically into the air. At the very top of its trajectory the net force on it is
A) less than its weight.
B) more than its weight.
C) equal to its weight.
Answer: C
A rock is thrown vertically into the air. At the very top of its trajectory the net force on it is
A) less than its weight.
B) more than its weight.
C) equal to its weight.
Answer: C