A Car Is Driving on a Level Highway

question 107

Multiple Choice

A car is driving on a level highway. It is acted upon by the following forces: a downward gravitational force of 12 kN, an upward contact force due to the road of 12 kN, another contact force due to the road of 7 kN directed West, and a drag force due to air resistance of 5 kN directed East. What is the net force acting on the car?

• A) 7 kN East
• B) 24 kN up
• C) 2 kN West
• D) 5 kN East
• E) 2 kN East

---

Definitions:

Algorithm

A set of rules or procedures to be followed in calculations or problem-solving operations.

Step-By-Step Procedure

A detailed series of actions or instructions laid out in order to accomplish a specific task or process.

Possible Alternatives

Different options or courses of action that could be taken in a situation or used to solve a problem.

Searching For Analogies

A cognitive process that involves looking for similarities between different concepts or situations to understand new information or solve problems.