SSC MTS EXAM

SSC

PHYSICS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Force is directly proportional to:
A
velocity
B
acceleration
C
displacement
D
momentum
Explanation: 

Detailed explanation-1: -Newton’s second law says that the acceleration and net external force are directly proportional, and there is an inversely proportional relationship between acceleration and mass.

Detailed explanation-2: -The acceleration of an object is inversely proportional to the net force applied to it, and directly proportional to the mass of the object.

Detailed explanation-3: -From the equation Fnet=ma, we see that force is directly proportional to both mass and acceleration, which makes sense. To accelerate two objects from rest to the same velocity, you would expect more force to be required to accelerate the more massive object.

Detailed explanation-4: -According to Newton’s second law of motion, force is directly proportional to the rate of change of momentum provided.

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