Friday, 11 May 2012

Year 10 Homework - Newtons's third law


2. A horse is pulling a carriage.  If the force on the carriage is equal and opposite to the force on the horse how can the horse pull the carriage?  Is the answer:
(a)        The horse cannot pull the carriage because the carriage pulls as hard on the horse as the horse pulls on the carriage.
(b)        The carriage moves because the horse pulls slightly harder on the carriage
(c)        The horse pulls the carriage before it has time to react.
(d)        The horse can pull the carriage only if the horse is heavier than the carriage.
(e)        Another explanation.  What might it be?
Due on Wednesday 16th May
Ms Hamnett

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