Final answer:
When the mass of an object is doubled, and the applied force remains constant, the acceleration of the object is halved. This is in accordance with Newton's second law of motion. Therefore, the correct answer to the effect of doubling the mass on acceleration is B) Acceleration is halved.
Step-by-step explanation:
The question is asking about the relationship between the mass of an object and its acceleration when the applied force remains constant. According to Newton's second law of motion, acceleration is inversely proportional to mass when the force is constant. The law can be stated as F = ma, where F is the applied force, m is the mass, and a is the acceleration. Therefore, if the mass of an object is doubled, the acceleration will be halved, keeping the force constant.
With reference to the options provided:
- A) Incorrect, acceleration does not double.
- B) Correct, acceleration is halved.
- C) Incorrect, acceleration does not remain the same.
- D) Incorrect, acceleration does not quadruple.
Hence, the correct answer is B) Acceleration is halved.