A Block of Wood Is Pulled by a Horizontal String

question 14

Multiple Choice

A block of wood is pulled by a horizontal string across a rough surface at a constant velocity with a force of 20 N.The coefficient of kinetic friction between the surfaces is 0.3.The force of friction is

• A)impossible to determine without knowing the mass of the block.
• B)impossible to determine without knowing the speed of the block.
• C)0.3 N
• D)6 N
• E)20 N

Recognize the influence of environmental factors on learning processes, including the role of mirror neurons and cognitive learning without reinforcement.

Understand how modeling and vicarious conditioning contribute to learning.

Understand the mechanisms and processes involved in attention and its effects on memory.

Identify the components and processes of human memory, comparing them to computer processing.

---

Definitions:

Perfectly Inelastic

Describes a situation where the demand or supply for a good or service does not change in response to price changes.

Price Elasticity

An evaluation of how the requested quantity of a merchandise alters in response to price adjustments.

Perfectly Inelastic

A market condition where the quantity demanded does not change as the price changes.

Price Elasticity

A measure of how sensitive the quantity demanded of a good is to a change in its price.