HDHS Trilogy P8 Checkpoint quiz: Forces in balance
Quiz by Alexandra Gill
GCSE (AQA)
Combined Science: Trilogy
English National Curriculum
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6 questions
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- Q1What is a newton-meter used to measure?displacementgravitational field strengthspeedforce60sRP.18
- Q2If an object is moving continuously at the same speed in the same direction, what can you say about the resultant force on it?The weight is the only force acting so it must be the resultant.The resultant force acts in the opposite direction to the movement.The resultant force is zero.The resultant force is in the direction of movement.60s6.5.1.4
- Q3What is the resultant force here?+68 N+172 N68 N0 N120s6.5.1.4
- Q4Which point is the centre of mass of this uniform hexagon of thin card?DBCA120s6.5.3
- Q5Which of these is a vector?massaccelerationtimespeed60s6.5.1.1
- Q6In an experiment to find the centre of mass of a card shape, why is it important that the card can swing freely?Friction may cause the card shape to catch on the plumbline.Friction may stop the card shape settling with the centre of mass below the point of suspension.Friction may deform the card shape.Friction would make it difficult to mark the card with a vertical line.120s6.5.1.3