Atwood Machine Video Questions

What is an Atwood's machine?

• A machine invented by George Atwood in 1784

• A machine that rotates as the more massive object is lowered

• An apparatus used to study the mechanical laws of motion

• A machine consisting of two masses connected by a string

Tags

NGSS.HS-PS2-4

What assumptions are typically made in Atwood's machine problems?

• The string contributes to the overall mass of the system

• The bearings of the pulley are not frictionless

• The string is massless and the pulley is frictionless

• The pulley has rotational kinetic energy

Tags

NGSS.HS-PS2-1

What is the first step in analyzing an Atwood's machine problem?

• Determining the acceleration of the system

• Calculating the tension in the string

• Individual object analysis

• System analysis

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-2

What is the purpose of a free body diagram in analyzing an Atwood's machine problem?

• To analyze the internal force between the objects

• To determine the acceleration of the system

• To calculate the tension in the string

• To visualize the forces acting on the system

Tags

NGSS.HS-PS2-1

What does the pulley do in an Atwood's machine?

• Changes the direction of a force without changing its magnitude

• Increases the magnitude of the force

• Decreases the magnitude of the force

• Does not affect the force

Tags

NGSS.HS-PS2-1

In the example problem, what is the total mass of the system?

• 10 kilograms

• 5 kilograms

• 15 kilograms

• 25 kilograms

Tags

NGSS.HS-PS1-7

What is the net force on the system in the example problem?

• 98.0 newtons

• 32.7 newtons

• 16.3 newtons

• 49.0 newtons

Tags

NGSS.HS-PS2-1

What is the acceleration of the system in the example problem?

• 9.8 meters per second per second

• 15.0 meters per second per second

• 5.0 meters per second per second

• 3.26666 meters per second per second

Tags

NGSS.HS-PS2-1

What is the tension in the string for the 10 kilogram mass in the example problem?

• 49.0 newtons

• 32.7 newtons

• 98.0 newtons

• 65.3 newtons

Tags

NGSS.HS-PS2-1

What is the tension in the string for the 5 kilogram mass in the example problem?

• 32.7 newtons

• 49.0 newtons

• 65.3 newtons

• 98.0 newtons

Tags

NGSS.HS-PS2-1