Physics initial concepts Module 1

Which is the x component of vector F ?

• 200 N

• 100 N

• 173.2 N

• • - 100 N

How was Physics called before the scientists appplied the scientific method?

• Nature Phenomena

• Classic Phenomena

• Phenomena Phylosophy

• Philosophy of Nature

1. A truck travels at 26.82 m/s and starts to slow down until it stops completely in a 180 ft track. What is the average acceleration in m/s² and the braking time?

• a= 6.55 m/s²

  t = 4.09 s

• a= - 6.55 m/s²

  t=4.09 s

• a= - 2.73 m/s²

  t= 9 .82s

• a= 2.73 m/s²

  t= 9 .82s

What is th name of graphic method to resolve a problem of an addition of 3 or more vectores ?

• Right triangle

• Parallelogram

• Tail to Head

• there is no correct choice

Which two Physicist belong to Modern Physic?

• Galileo Galilei and James Clerk Maxwell

• Isaac Newton and

  Albert Einstein

• Aristotle and Archimides

• Albert Einstein and Max Palnck

Who was named The Father of Physics?

• Albert Einstein

• Isaac Newton

• Galileo Galilei

• James Clerk Maxwell

Constant acceleration will cause the velocity to increase over time

• True

• False

What does stationary displacement looks like in a displacement vs time graph ?

• 
• 
• 

Having the following graphic solution of a 3 vector addition. Determine the quadrant and the the symbols of the x and y .

• Quadrant I

  x +

  y +

• Quadrant IV

  x -

  y +

• Quadrant IV

  x +

  y -

• Quadrant II

  x +

  y -

Consider the vector 3i-9j+k

Find the value for vector 4A.

• 12i - 36j + 4k

• 12i + 36j +4k

• 12i + 36j -4

• 12i + 36j