A Tractor T Is Pulling Two Trailers,M₁ and M₂,with a Constant

question 65

Multiple Choice

A tractor T is pulling two trailers,M₁ and M₂,with a constant acceleration.T has a mass of 200 kg,M₁ has a mass of 100 kg,and M₂ has a mass of 150 kg.If the forward acceleration is 0.60 m/s²,then the horizontal force on the tractor due to the ground is

• A) 270 N backward.
• B) 270 N forward.
• C) 150 N backward.
• D) 150 N forward.
• E) 90 N forward.

---

Definitions:

Weighted Average Method

The weighted average method calculates the cost of inventory based on the average cost of all similar items in inventory, adjusted for the quantity of items.

Direct Labor

Labor costs associated with employees who are directly involved in the manufacturing process of a product.

FIFO Method

"First In, First Out" method of inventory valuation where the oldest inventory items are recorded as sold first, potentially impacting cost of goods sold and ending inventory valuation.

Equivalent Unit

A concept used in cost accounting to express the amount of materials, labor, and overhead costs assigned to finished units and units in progress as a total number of finished units.