tim has just jumped out of an airplane. the force of gravity pulls him downward, while air resistance pushes him upward.

what is the net force acting on tim?

a. 705 newtons downward
b. 625 newtons upward
c. 80 newtons downward
d. 0 newtons

Question

tim has just jumped out of an airplane. the force of gravity pulls him downward, while air resistance pushes him upward.

what is the net force acting on tim?

a. 705 newtons downward
b. 625 newtons upward
c. 80 newtons downward
d. 0 newtons

Accepted Answer

{ "quality": "clear", "question_count": 1, "skills_matched": [ "step_cot", "multiple_choice_formatter", "explain_then_answer", "tutor", "mastery_adaptive_brevity" ], "needs_drawing": false, "concepts_used": [ "Net Force", "Balanced and Unbalanced Forces" ], "new_concepts": [], "current_concepts": [ "Net Force", "Balanced and Unbalanced Forces" ] } ## Identify the given forces Using the *Net Force* and *Balanced and Unbalanced Forces* knowledge points $$ \begin{aligned} &F_{\text{gravity}} = 705\text{ N (downward)} \ &F_{\text{air resistance}} = 625\text{ N (upward)} \end{aligned} $$ ## Calculate the net force Using the *Net Force* knowledge point $$ \begin{aligned} F_{\text{net}} &= F_{\text{gravity}} - F_{\text{air resistance}} \ F_{\text{net}} &= 705\text{ N} - 625\text{ N} = 80\text{ N} \end{aligned} $$ Since the downward force is greater, the net force is directed downward.

(A) 705 newtons downward

(B) 625 newtons upward

(C) 80 newtons downward

(D) 0 newtons

{ "subject": "Natural Science", "question_type": "Multiple Choice", "knowledge_point": [ "Natural Science", "Physics", "Net Force" ] }

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QUESTION IMAGE

Question

Explanation:

Identify the given forces

Calculate the net force

Answer: