Write Newton’s second law in mathematical form, and describe how the acceleration of an object or system varies with a net force and mass of the system.
The mathematical form of Newton’s second law and the variation of acceleration of an object with net force and mass of the system.
Answer to Problem 1ASA
The mathematical form of Newton’s second law is
Explanation of Solution
The mathematical form of Newton’s second law is given by the relation,
Where,
The above equation can be solved for acceleration as,
It is clear that the acceleration of the system is directly proportional to the net force and inversely proportional to the mass of the system. Thus, as the net force increases, the acceleration of the system increases. If the net force is less, the acceleration will be less for a fixed mass. If the net force is fixed, then the system with larger mass will have less acceleration. Lighter masses will have larger acceleration if the net force is kept constant.
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Chapter 7 Solutions
Physics Laboratory Experiments
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- A bicycle with a mass of 24 kg is pedaled forward with a constant force of 10 N. Find the velocity of the bicycle after a time of 7 s. Round your answer to 1 decimal place. Hint: You need to first find the acceleration, and the find the velocity. Question 13 A Prius with a mass of 2,392 kg is pushed with a constant force of 28,752 N. Find the velocity of the Prius after a time of 0.9 s. Round your answer to 1 decimal place. Hint: You need to first fhd the acceleration, and the find the velocity.arrow_forwardWhat is net force and how does it affect the motion of an object?arrow_forwardWrite at least three real life situations that demonstrate Newton’s Laws of Motion.(Three situations for each law)arrow_forward
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