Worksheet: Units of Forces

In this worksheet, we will practice using units of force and converting between them.

Q1:

The force applied on an object is calculated using the formula š¹ = š‘š š‘Ž , where š‘Ž is the acceleration of the object (measured in metres per second squared, or m/s2), and š‘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, metres, and seconds?

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

Q2:

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

Q3:

What is 2 . 8 7 Ɨ 1 0 ļŠ­ dynes in newtons?

Q4:

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

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