Question detail
What is the unit used to express gravitational field strength in physics?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Forces and their interactions
Question
- A. newtons per kilogram
- B. newtons per metre
- C. kilograms per newton
- D. metres per second squared
Answer
newtons per kilogram
Explanation
Gravitational field strength is defined as the force per unit mass, so its SI unit is newtons per kilogram (N kg⁻¹).
Common mistake
Confusing Units of Gravitational Field Strength
Students often confuse the units of gravitational field strength, thinking it is measured in newtons (N) instead of newtons per kilogram (N/kg).
Remember that gravitational field strength is defined as the force per unit mass, so it must be expressed in N/kg.
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