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A 5-kg rock is thrown upward with a force of 150 N at a
Chapter 1, Problem 28P(choose chapter or problem)
QUESTION:
Problem 28P
A 5-kg rock is thrown upward with a force of 150 N at a location where the local gravitational acceleration is 9.79 m/s2. Determine the acceleration of the rock, in m/s2.
Questions & Answers
QUESTION:
Problem 28P
A 5-kg rock is thrown upward with a force of 150 N at a location where the local gravitational acceleration is 9.79 m/s2. Determine the acceleration of the rock, in m/s2.
ANSWER:
Solution
Step 1
Given that the two forces acting on the rock is the weight of the rock due to gravity. Hence we use Newton’s first Law of motion.
Free body diagram