A Crate Rests on a Horizontal Surface and a Woman

question 20

Multiple Choice

A crate rests on a horizontal surface and a woman pulls on it with a 10-N force.No matter what the orientation of the force, the crate does not move.Rank the situations shown below according to the magnitude of the frictional force of the surface on the crate, least to greatest.

• A)1, 2, 3
• B)2, 1, 3
• C)2, 3, 1
• D)1, 3, 2
• E)3, 2, 1

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Definitions:

Synaptic Cleft

The small gap between neurons at a synapse, through which neurotransmitters are released, allowing for communication between neurons.

Neural Transmission

The process by which neurons communicate with each other through electrical impulses and neurotransmitters across synapses.

Action Potential

The process by which neurons communicate through an electrical charge that travels along the neuron's axon, initiated by the movement of ions across the neuron's membrane.

Neurotransmitters

Chemicals that transmit signals across a synapse from one neuron to another, facilitating communication within the brain.