EVERYDAY SCIENCE

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PHYSICAL SCIENCES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
When you double the force the acceleration
A
decreases by 1/2
B
doubles
C
triples
D
decreases by 1/3
Explanation: 

Detailed explanation-1: -As we increase the force on an object the acceleration increases proportionally. Since the mass does not change as the acceleration increases, we can say that force is equal to acceleration. Therefore, if you double the force you double the acceleration.

Detailed explanation-2: -If you double the force, you double the acceleration, but if you double the mass, you cut the acceleration in half.

Detailed explanation-3: -When the mass remains constant (usually the case), force and acceleration are directly proportional, i.e. if we increase one of these variables by an amount, the corresponding variable must also increase by this amount. Therefore, if we double the force, we simultaneously double the acceleration.

Detailed explanation-4: -Acceleration is the rate of change of velocity with respect to time. If the velocity is doubled, then it is due to acceleration only. In other words, by changing the acceleration, the velocity is doubled.

Detailed explanation-5: -Newton’s second law of motion describes the relationship between force and acceleration. They are directly proportional. If you increase the force applied to an object, the acceleration of that object increases by the same factor. In short, force equals mass times acceleration.

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