A Tractor T Is Pulling Two Trailers, M₁ and M₂

question 28

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, and air resistance is negligible, then the horizontal force on the tractor due to the attachment to M₁ is

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

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Definitions:

Profit Maximizing

The process or strategy of adjusting production and sales to achieve the highest possible profit.

Marginal Cost

The augmentation in total expenditure resulting from the manufacture of one more unit of a product or service.

Price

Price refers to the amount of money expected, required, or given in payment for something, representing the value exchange between buyer and seller in a market.

Kinked Demand

A demand curve that has a distinct bend or "kink" at a certain price level, reflecting different elasticity above and below that price.