A 40-Kg Mass on the End of a String Rotates in in a Circular

question 21

Multiple Choice

A 4.0-kg mass on the end of a string rotates in a circular motion on a horizontal frictionless table. The mass has a constant speed of 2.0 m/s and the radius of the circle is 0.80 m. What is the magnitude of the resultant force acting on the mass?

• A) 39 N
• B) 20 N
• C) 44 N
• D) 0 N
• E) 30 N

Grasp the importance and benefits of trade and specialization for individuals and economies.

Understand the function of markets and the role of households and firms within them.

Comprehend the impact of government actions on economic outcomes and the concept of market failure.

Recognize the principles guiding individual decision-making in economics.