A Block Is on a Frictionless Horizontal Table, on Earth

question 44

Multiple Choice

A block is on a frictionless horizontal table, on earth. This block accelerates at 1.9 m/s² when a 90 N horizontal force is applied to it. The block and table are then set up on the moon where the acceleration due to gravity is 1.62 m/s². What is the weight of the block on the moon?

• A) 77 N
• B) 67 N
• C) 58 N
• D) 48 N
• E) 39 N

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Definitions:

Electrical Signals

Rapid changes in voltage across cell membranes, used for communication within and between neurons.

Trigger Zone

The part of a neuron where an action potential is initiated, typically located at the axon hillock.

Stretch Reflex

A muscle contraction in response to stretching within the muscle, a fundamental reflex to maintain posture.

Sensory Neuron

Neuron that is activated when its receptor endings detect a specific stimulus, such as light or pressure.