Question detail
Forces and their interactions scenario: air resistance changes until terminal velocity is reached. Which answer best addresses Gravity and weight and the objective to calculate mass from weight and gravitational field strength?
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. In the parachutist scenario, apply weight to calculate mass from weight and gravitational field strength while keeping mass versus weight separate.
- B. In the parachutist scenario, mix up mass versus weight and ignore weight.
- C. Use a general revision statement without applying Gravity and weight to the situation.
- D. Choose a different forces topic instead of explaining calculate mass from weight and gravitational field strength.
Answer
The correct answer is: In the parachutist scenario, apply weight to calculate mass from weight and gravitational field strength while keeping mass versus weight separate.
Explanation
The correct option is In the parachutist scenario, apply weight to calculate mass from weight and gravitational field strength while keeping mass versus weight separate.. It is correct because the scenario says air resistance changes until terminal velocity is reached, which must be interpreted through Gravity and weight. This directly supports the learning objective to calculate mass from weight and gravitational field strength. Use values 4, 9, and 21 only if the question asks for a calculation. The answer earns credit by naming the relevant force or motion quantity, using units when needed, and avoiding the boundary error mass versus weight.
Common mistake
Confusing Mass and Weight
Students often confuse mass with weight, thinking they are the same quantity.
Remember that mass is measured in kilograms and is a scalar quantity, while weight is a force measured in newtons and is a vector quantity.
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