A Block of Mass M Is Pulled at Constant Velocity $\theta$

question 54

Multiple Choice

A block of mass m is pulled at constant velocity along a rough horizontal floor by an applied force as shown. The magnitude of frictional force is:

• A) T cos \(\theta\)
• B) T sin\(\theta\)
• C) 0
• D) mg
• E) mg cos \(\theta\)

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Definitions:

Unconditioned Response

A naturally occurring reaction to an unconditioned stimulus that does not require learning.

Conditioned Response

A learned reaction to a previously neutral stimulus that occurs after repeated association with an unconditioned stimulus.

Unconditioned Stimulus

A stimulus that naturally and automatically triggers a response without prior learning or conditioning.

Conditioned Stimulus

In classical conditioning, a previously neutral stimulus that, after becoming associated with the unconditioned stimulus, triggers a conditioned response.