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Worksheet: Units of Forces

Q1:

The force applied on an object is calculated using the formula ๐น = ๐‘š ๐‘Ž , where ๐‘Ž is the acceleration of the object (measured in meters per second squared, or m/s2), and ๐‘š is its mass (measured in kilograms, or kg). The force is then measured in newtons. Which of the following is the expression of newtons in terms of the base units kilograms, meters, and seconds?

  • A kgโ‹…m2/s2
  • B kgโ‹…s2/m
  • C kgโ‹…m/s
  • D kgโ‹…m/s2
  • E(kgโ‹…m/s)2

Q2:

What is 2 . 8 7 ร— 1 0 7 dynes in newtons?

Q3:

What is the weight of a body of mass 101 kg in kilograms weight?

Q4:

What is 807 g-wt in dynes? Take ๐‘” = 9 . 8 / m s 2 .