Question detail
Describe how you would investigate the effect of changing force on the acceleration of a trolley.
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
Question
Type
exam_style
Style
Topic
Forces and motion
Question
Describe how you would investigate the effect of changing force on the acceleration of a trolley.
Answer
To investigate the effect of changing force on the acceleration of a trolley, set up a track with a trolley and a pulley system. Attach weights to the trolley to vary the force applied. Measure the acceleration using a stopwatch to time how long it takes for the trolley to travel a set distance. Repeat the experiment with different weights to observe how acceleration changes with varying force.
Explanation
This question tests the understanding of experimental design in physics, specifically relating to Newton's second law of motion. It assesses the ability to apply theoretical knowledge to a practical scenario.
Common mistake
Misunderstanding Force and Acceleration Relationship
Students often confuse the effect of changing force on acceleration, thinking that increasing force always leads to a proportional increase in acceleration without considering mass.
To fix this, students should remember Newton's second law (F = ma) and understand that acceleration depends on both the net force applied and the mass of the object. They should practice calculations involving different masses and forces to see how they affect acceleration.
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