Question
Sun April 19, 2015

# NEWTONS SECOND LAW OF MOTION INDICATES THAT WHEN A NET FORCE ACTS ON AN OBJECT IT MUST ACCELERATE , DOES THIS MEAN THAT WHEN TWO OR MORE FORCES ARE APPLIED TO AN OBJECT SIMENTANEOUSLY IT MUST ACCELERATE?EXPLAIN?

Priyanka Kumbhar
Mon April 20, 2015

According to Newton’s second law of motion, acceleration of an object is inversely proportional to its mass and directly proportional to the net force acting on it.

It is not necessary that when a net force acts on an object it must accelerate. In other words, an object will not necessarily accelerate when two or more forces are applied to the object simultaneously.

When two equal forces acting on an object but in opposite direction then the applied forces may cancel each other so the net force is zero. In such a case, the object will not accelerate.

It means that if the net force acting on an object is nonzero, at that time an object can accelerate.

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