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A block of mass M lies at rest on a horizontal table.
Statement I: (Newton's 3rd Law) To every action, there is an equal and opposite reaction. Action and reaction forces act on different bodies and in opposite directions.
Statement II: The normal reaction is the reaction force, while the weight is the action.
  • a)
    Statement I is true, Statement II is true and Statement I is the correct reason for Statement II.
  • b)
    Statement I is true, Statement II is true, Statement I is not the correct reason for Statement II.
  • c)
    Statement I is true, Statement II is false.
  • d)
    Statement I is false, Statement II is true.
Correct answer is option 'C'. Can you explain this answer?
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A block of mass M lies at rest on a horizontal table.Statement I: (Ne...
Statement I: Newton's 3rd Law states that to every action, there is an equal and opposite reaction. Action and reaction forces act on different bodies and in opposite directions.

Statement II: The normal reaction is the reaction force, while the weight is the action.

Explanation:

Statement I: Newton's 3rd Law
- Newton's 3rd Law of motion states that for every action, there is an equal and opposite reaction. This means that whenever an object exerts a force on another object, the second object exerts a force of equal magnitude but in the opposite direction on the first object.
- Action and reaction forces always act on different bodies, meaning that one force is exerted on one object, while the other force is exerted on a different object.
- These forces are always equal in magnitude but opposite in direction. For example, if you push a wall with a force of 10 N, the wall pushes back on you with a force of 10 N in the opposite direction.

Statement II: The normal reaction is the reaction force, while the weight is the action.
- The normal reaction is the force exerted by a surface to support the weight of an object resting on it. It acts perpendicular to the surface and prevents the object from sinking into the surface.
- The weight of an object is the force exerted on it due to the gravitational attraction of the Earth. It acts vertically downwards towards the center of the Earth.
- In the case of a block of mass M lying at rest on a horizontal table, the weight of the block acts vertically downwards, while the normal reaction force exerted by the table acts perpendicular to the table surface and upwards.
- According to Newton's 3rd Law, the normal reaction force is the reaction to the weight of the block. The weight of the block is the action, and the normal reaction force is the equal and opposite reaction.

Conclusion:
- Both Statement I and Statement II are true.
- However, Statement I is not the correct reason for Statement II. The reason for Statement II is the application of Newton's 3rd Law, where the normal reaction force is the reaction to the weight of the block.
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A block of mass M lies at rest on a horizontal table.Statement I: (Ne...
To every action, there is always an equal and opposite reaction.
Newton’s wording of the third law is so crisp and beautiful that it has become a part of common language. For the same reason perhaps, misconceptions about the third law abound. Let us note some important points about the third law, particularly in regard to the usage of the terms : action and reaction.
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Read the passage given below and answer the following questions:The rate of a reaction, which may also be called its velocity or speed, can be defined with relation to the concentration of any of the reacting substances, or to that of any product of the reaction. If the species chosen is a reactant which has a concentration c at time t the rate is - dc/dt, while the rate with reference to a product having a concentration x at time t is dx/dt. Any concentration units may be used for expressing the rate; thus, if moles per liter are employed for concentration and seconds for the time, the units for the rate are moles litre–1sec–1. For gas reactions pressure units are sometimes used in place of concentrations, so that legitimate units for the rate would be (mm. Hg) sec–1 and atm. sec–1 The order of a reaction concerns the dependence of the rate upon the concentrations of reacting substances; thus, if the rate is found experimentally to be proportional to the ath power of the concentration of one of the reactants A, to the both power of the concentration of a second reactant B, and so forth, via., rate = k CAα CAβ the over-all order of the reaction is simply n = α + β + ----- (2) Such a reaction is said to be of the αth order with respect to the substance A, the βth order with respect to B.In the following questions, a statement of Assertion followed by a statement of Reason is given. Choose the correct answer out of the following choices on the basis of the above passage.Assertion: The unit of k is independent of order of reaction.Reason: The unit of k is moles L–1s–1.

Read the passage given below and answer the following questions:The rate of a reaction, which may also be called its velocity or speed, can be defined with relation to the concentration of any of the reacting substances, or to that of any product of the reaction. If the species chosen is a reactant which has a concentration c at time t the rate is - dc/dt, while the rate with reference to a product having a concentration x at time t is dx/dt. Any concentration units may be used for expressing the rate; thus, if moles per liter are employed for concentration and seconds for the time, the units for the rate are moles litre–1sec–1. For gas reactions pressure units are sometimes used in place of concentrations, so that legitimate units for the rate would be (mm. Hg) sec–1 and atm. sec–1 The order of a reaction concerns the dependence of the rate upon the concentrations of reacting substances; thus, if the rate is found experimentally to be proportional to the ath power of the concentration of one of the reactants A, to the both power of the concentration of a second reactant B, and so forth, via., rate = k CAα CAβ the over-all order of the reaction is simply n = α + β + ----- (2) Such a reaction is said to be of the αth order with respect to the substance A, the βth order with respect to B.In the following questions, a statement of Assertion followed by a statement of Reason is given. Choose the correct answer out of the following choices on the basis of the above passage.Assertion: Rate of reaction is a measure of change in concentration of reactant with respect to time.Reason: Rate of reaction is a measure of change in concentration of product with respect to time.

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A block of mass M lies at rest on a horizontal table.Statement I: (Newton's 3rd Law) To every action, there is an equal and opposite reaction. Action and reaction forces act on different bodies and in opposite directions.Statement II: The normal reaction is the reaction force, while the weight is the action.a)Statement I is true, Statement II is true and Statement I is the correct reason for Statement II.b)Statement I is true, Statement II is true, Statement I is not the correct reason for Statement II.c)Statement I is true, Statement II is false.d)Statement I is false, Statement II is true.Correct answer is option 'C'. Can you explain this answer?
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A block of mass M lies at rest on a horizontal table.Statement I: (Newton's 3rd Law) To every action, there is an equal and opposite reaction. Action and reaction forces act on different bodies and in opposite directions.Statement II: The normal reaction is the reaction force, while the weight is the action.a)Statement I is true, Statement II is true and Statement I is the correct reason for Statement II.b)Statement I is true, Statement II is true, Statement I is not the correct reason for Statement II.c)Statement I is true, Statement II is false.d)Statement I is false, Statement II is true.Correct answer is option 'C'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about A block of mass M lies at rest on a horizontal table.Statement I: (Newton's 3rd Law) To every action, there is an equal and opposite reaction. Action and reaction forces act on different bodies and in opposite directions.Statement II: The normal reaction is the reaction force, while the weight is the action.a)Statement I is true, Statement II is true and Statement I is the correct reason for Statement II.b)Statement I is true, Statement II is true, Statement I is not the correct reason for Statement II.c)Statement I is true, Statement II is false.d)Statement I is false, Statement II is true.Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A block of mass M lies at rest on a horizontal table.Statement I: (Newton's 3rd Law) To every action, there is an equal and opposite reaction. Action and reaction forces act on different bodies and in opposite directions.Statement II: The normal reaction is the reaction force, while the weight is the action.a)Statement I is true, Statement II is true and Statement I is the correct reason for Statement II.b)Statement I is true, Statement II is true, Statement I is not the correct reason for Statement II.c)Statement I is true, Statement II is false.d)Statement I is false, Statement II is true.Correct answer is option 'C'. Can you explain this answer?.
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