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Force diagrams. A suitcase of mass m kg is being pulled across rough ground with a force of T N. The handles are inclined at θ° to the horizontal. The frictional force is F. The suitcase is travelling at a constant velocity.
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A suitcase of mass m kg is being pulled across rough ground with a force of T N. The handles are inclined at θ° to the horizontal. The frictional force is F. The suitcase is travelling at a constant velocity
A screaming four year old is being pulled towards the dentist at a constant velocity. The child has a mass of M kg and her mother is pulling with a force of T N at an angle of θ° to the horizontal. The frictional force is F.
A car of mass M kg is resting on a slope which is inclined at angle of θ° to the horizontal. The frictional force is F