1) What force is caused by gravity? a) mass b) weight c) downforce 2) What is the gravitational field strength of Earth? a) 9.8 N/kg b) 1.6 N/kg c) 25 N/kg 3) How is weight calculated a) weight = mass x gravitational field stength b) weight = gravitational field strength / mass c) weight = mass / gravitational field strength 4) What is the weight of a 40kg child on Earth? a) 40kg b) 4.1N c) 392 N 5) How is the object shown in a free body diagram? a) As a drawing of the object b) As a written description of the object c) As a box or dot 6) In which way does an arrow point in a free body diagram? a) Towards the object b) Away from the object c) In the direction of movement 7) What is a newton meter? a) A unit for speed b) A calibrated spring balance c) A unit for weight

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