Two Masses Are Being Pulled Up a Frictionless 30

question 16

Multiple Choice

Two masses are being pulled up a frictionless 30.0 degree incline by a force F parallel to the incline. The acceleration up the incline is 1.00 m/s². The force is applied to a 200 kg mass and a string connects the 200 kg mass to a 150 kg mass. The force F is

• A) 875 N.
• B) 980 N.
• C) 1,140 N.
• D) 1,720 N.
• E) 2,070 N.

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Definitions:

Decane

A straight-chain alkane with the chemical formula C10H22, commonly used in solvents and as a constituent of gasoline.

Alkane

A hydrocarbon compound consisting entirely of hydrogen and carbon atoms, arranged in a tree structure with single bonds, part of the paraffin series.

Formula

A representation of a substance using symbols and numbers to indicate the types and numbers of atoms present.

Lewis Dot Structure

A diagram showing the bonding between atoms of a molecule and the lone pairs of electrons in the molecule.