Exploring Applications of Newton's Laws

The video tutorial explores three applications of Newton's Laws: a system of blocks, Atwood's machine, and an incline plane. It demonstrates how to calculate tensions and accelerations in these systems, emphasizing the use of free body diagrams and vector components. The tutorial simplifies complex problems by assuming frictionless conditions and using approximations for gravitational force.

What is the total mass of the system of blocks being pulled by a 60 Newton force?

• 6 kg

• 60 kg

• 3 kg

• 10 kg

Tags

NGSS.HS-PS2-1

What is the acceleration of the blocks when pulled by a 60 Newton force?

• 10 m/s^2

• 60 m/s^2

• 1 m/s^2

• 6 m/s^2

Tags

NGSS.HS-PS2-1

How does the tension T1 compare to T2 in the system of blocks?

• T1 is less than T2

• T1 is equal to T2

• T1 is greater than T2

• Cannot be determined

Tags

NGSS.HS-PS2-1

What is the net force acting on the Atwood's machine system?

• 50 Newtons

• 100 Newtons

• 150 Newtons

• 200 Newtons

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

What is the acceleration of the system in the Atwood's machine?

• 3 m/s^2

• 2.5 m/s^2

• 1.5 m/s^2

• 2 m/s^2

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

What is the tension in the string of the Atwood's machine when considering the 10 kg mass?

• 200 Newtons

• 150 Newtons

• 100 Newtons

• 120 Newtons

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

What component of the gravitational force acts along the incline?

• mg

• mg tan Theta

• mg cos Theta

• mg sin Theta

What is the acceleration of a block on a frictionless incline with an angle of 30 degrees?

• 14.7 m/s^2

• 2.45 m/s^2

• 4.9 m/s^2

• 9.8 m/s^2

Tags

NGSS.HS-PS2-1

What force balances the normal force on an inclined plane?

• mg cos Theta

• Frictional force

• Tension in the string

• mg sin Theta

What is the role of the normal force in the motion of a block on an inclined plane?

• It accelerates the block down the incline

• It decelerates the block

• It has no effect

• It balances the component of gravitational force perpendicular to the incline

Tags

NGSS.HS-PS2-1