A Mass M Is Placed on a Rough Incline at an Angle

question 52

Multiple Choice

A mass m is placed on a rough incline at an angle $\theta$ to the horizon. A force F is applied up the incline, to prevent the mass from sliding down the incline, and it is just enough to prevent the mass from sliding down the incline. Using the compass rose, the direction of the frictional force is along

• A) (a)
• B) (b)
• C) (c)
• D) (d)
• E) (e)

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Definitions:

Neurotransmitters

Chemical messengers that transmit signals across a chemical synapse, from one neuron (nerve cell) to another target neuron, muscle cell, or gland cell.

Axon Terminal

It is the end portion of an axon that makes synaptic contacts with another nerve cell or with an effector cell.

Stored

A term referring to the state of being kept or saved for future use, particularly in the context of energy, information, or materials.

Multiple Sclerosis

A chronic autoimmune disease where the immune system attacks the protective covering of nerves, disrupting communication between the brain and the rest of the body.