This physics problem tests your understanding of fundamental physical laws and their applications. The step-by-step solution below breaks down the problem using relevant equations and physical reasoning.
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Step 1: Analyze Question 2. Newton's Second Law of Motion states that the acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass. This is represented by the formula F = ma, or a = (F)/(m). Step 2: Evaluate the options for Question 2. A) Inversely proportional to force and directly proportional to mass - Incorrect. B) Directly proportional to net force and inversely proportional to mass - Correct. C) Equal to mass multiplied by velocity - This describes momentum, not acceleration. Incorrect. D) Constant for all objects - Incorrect, acceleration depends on force and mass. The correct option is B. B Step 3: Analyze Question 3. Newton's Third Law of Motion states that for every action, there is an equal and opposite reaction. Step 4: Evaluate the options for Question 3. A) A greater reaction - Incorrect. B) An equal and opposite reaction - Correct. C) A smaller reaction - Incorrect. D) No reaction in a vacuum - Incorrect. The correct option is B. B Step 5: Analyze Question 4. Given: Mass (m) = 10\, kg Net force (F) = 50\, N We need to find the acceleration (a). Step 6: Apply Newton's Second Law for Question 4. Newton's Second Law is given by the formula: F = ma To find acceleration, rearrange the formula: a = (F)/(m) Step 7: Substitute the values and calculate for Question 4. a = 50\, N10\, kg a = 5\, m/s^2 Step 8: Evaluate the options for Question 4. A) 5\, m/s^2 - Correct. B) 500\, m/s^2 - Incorrect. C) 0.5\, m/s^2 - Incorrect. D) 50\, m/s^2 - Incorrect. The correct option is A. A Step 9: Analyze Question 5. The property of matter that resists changes in motion (i.e., resists acceleration) is called inertia. Step 10: Evaluate the visible options for Question 5. A) Friction: Friction is a force that opposes motion between surfaces in contact. While it resists motion, it is a force, not the fundamental property of matter (inertia) that resists changes in motion. B) Weight: Weight is the force of gravity acting on an object's mass. It is not related to resisting changes in motion. Since "Inertia" is not a visible option, and we must select from the given options, "Friction" is the only option that describes a form of resistance to motion, even though it is a force and not the fundamental property of matter (inertia) that resists changes in motion. The correct option among the visible choices, based on the concept of resistance to motion, is A. A Send me the next one 📸