In a Contest, Two Tractors Pull Two Identical Blocks of Stone

question 5

Multiple Choice

In a contest, two tractors pull two identical blocks of stone the same distance over identical surfaces. However, block A is moving twice as fast as block B when it crosses the finish line. Which statement is correct?

• A) Block A has twice as much kinetic energy as block B.
• B) Block B has lost twice as much kinetic energy to friction as block A.
• C) Block B has lost twice as much kinetic energy as block A.
• D) Both blocks have had equal losses of energy to friction.
• E) No energy is lost to friction because the ground has no displacement.

---

Definitions:

Diaphragmatic Exercises

Techniques and exercises designed to strengthen the diaphragm muscle, improve breathing capacity, and enhance respiratory efficiency.

Postoperative Exercise

Physical activities recommended after surgery to aid in recovery and prevent complications.

Preoperative Education

The process of providing information and guidance to a patient before a surgical procedure, aimed at reducing anxiety and improving outcomes.

Makeup

Cosmetic products applied to enhance or alter one's appearance on the face and body.