Question detail

If an object has a mass of 10 kg and is in a gravitational field with a strength of 9.8 N/kg, what is its weight?

Try the question, check the answer, then read the explanation to understand the curriculum point.

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At a glance

MCQ

Type

practice

Style

Topic

Forces and their interactions

Question

A. 98 N
B. 10 N
C. 9.8 N
D. 0.98 N

Answer

98 N

Explanation

Weight can be calculated using the formula W = mg, where W is weight, m is mass, and g is gravitational field strength. Here, W = 10 kg × 9.8 N/kg = 98 N.

Common mistake

Misunderstanding Gravitational Field Strength

Students often confuse gravitational field strength with weight, thinking they are the same quantity.

Remember that gravitational field strength is the force experienced per kilogram of mass, while weight is the total force acting on an object due to gravity.

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