Pulling a box vertically

  • Thread starter future_vet
  • Start date
  • #1
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Homework Statement


A box of mass 5.0 kg is pulled vertically upwards by a force of 68 N applied to a rope attached to the box. Find a) the acceleration of the box and b) the vertical velocity of the box after 2 seconds.

Homework Equations


ma = Force and a = T/m -g
a = 68/5 - 9.8 = 3.8 m/s^2

v = vo + axt
v = 0 + 3.8 x 2 = 7.6 m/s.

Does this look right?

Thanks!
 

Answers and Replies

  • #2
radou
Homework Helper
3,115
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Yes, it does.
 
  • #3
169
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Thank you!
 

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