A block is dragged without acceleration in a straight-line path ...

[sc00by25]

A block is dragged without acceleration in a straight-line path across a level surface by a force of 6 N. What is the force of friction between the block and the surface?
 
  A) less than 6 N
  B) 6 N
  C) more than 6 N
  D) need more information

Question 2

A jumbo jet has a mass of 100,000 kg. The thrust for each of its four engines is 50,000 N. What is the jet's acceleration when taking off?
 
  A) 0.25 m/s2
  B) 1 m/s2
  C) 2 m/s2
  D) 4 m/s2
  E) none of the above

[Pariscourtney]

Answer to Question 1

Answer: B

Answer to Question 2

Answer: C

[sc00by25]

TYSM

[ashely1112]

Excellent