Question

1. The SI unit of force, newton, is a compound unit, which can be written as _____.

•  
•  
•  
•  

2. According to the Newton's 2nd Law of Motion, when forces exerted on an object are not balanced, the object will accelerate.

• True
• False

3. An object with mass 27.7 kg is suspended at rest on a string, what is the tension force magnitude (in unit of newton) in the string?

4. In the equation , represents the sum of all forces on an object.

• True
• False

5. An object moving with a constant velocity will experience ______ net force.

• nonzero
• zero
• imaginary

6. Assuming that a constant net force is applied to an object, if the mass of the object increases then the acceleration will ____.

• increase
• decrease
• stay the same