A 10-Kg Box Is Pushed Up a Plane Inclined at 37º

question 42

Multiple Choice

A 10-kg box is pushed up a plane inclined at 37º with the horizontal.The box starts from rest and is pushed 5 m along the incline with a uniform acceleration of 2 m/s².The coefficient of kinetic friction is 0.20 and the pushing force is parallel to the plane.The increase in the potential energy of the box is

• A)0.10 kJ
• B)0.29 kJ
• C)0.36 kJ
• D)0.46 kJ
• E)0.39 kJ

---

Definitions:

Approximate

To approximate means to find a value close to the exact answer, often through estimation or rounding.

Real Number

A value that represents a quantity along a continuous line, including both rational and irrational numbers.

True Inequality

A true inequality is an inequality statement that accurately describes the relationship between two values or expressions based on the given conditions.

Real Number

A value that represents a quantity along a continuous line, including all rational and irrational numbers.