Newton's Laws: Week 2 (Atwood Machine)

Any time the forces are unbalanced, an object will remain at rest. True or false?

• true
• false

If you exert a net force of 8 N on a 2-kg object, what will its acceleration be?

• 2 m/s^2
• 4 m/s^2
• 16 m/s^2
• 10 m/s^2

Calculate the net force.

• 5 N
• 10 N
• 45 N
• 500 N

A mass of 20 kg is accelerated at a rate of 50 m/s² , the total force is 1200 Newtons.

• True
• False

In the lab last week we found that the cart's acceleration _______ as it rolled across the table due to the handing mass.

• decreased
• increased
• remained constant

BONUS QUESTION: For what research was the Nobel Prize in Physics given for last week?

• Gyroscopic molecules studied with lasers
• Neutrino oscillations and mass
• Predicting the thickness of sea ice
• Testing relativity with planetary motion