Two Blocks Are Accelerated Across a Horizontal Frictionless Surface as Shown

question 28

Multiple Choice

Two blocks are accelerated across a horizontal frictionless surface as shown. Frictional forces keep the two blocks from sliding relative to each other, and the two move with the same acceleration. If F = 1.2 N and M = 1.0 kg, what is the horizontal component (frictional force) of the force of the large block on the small block?

• A)0.40 N to the left
• B)0.80 N to the right
• C)0.40 N to the right
• D)0.80 N to the left
• E)1.20 N to the left

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Definitions:

Actual Inflation

The rate at which the general level of prices for goods and services is rising, and subsequently, eroding purchasing power.

Unemployment Rate

The unemployment rate is the percentage of the labor force that is jobless and actively seeking employment.

Expected Inflation

The rate at which the general level of prices for goods and services is anticipated to rise over a specified period.

Actual Inflation

The rate at which the general level of prices for goods and services is rising, and subsequently, purchasing power is falling, as it is currently being measured or experienced in the economy.