A 40 N force is applied to a 10 kg block, but the object only accelerates at 2 m/s^2. What is the net force acting on the block? Use a free body diagram to explain your answer.

Net force = 4

40 divided by 10 is 4

so the answer should be 4

Im not bc cause I did not learn this yet :( i might learn soon

maybe in 7th grade

but 4 now im in 6th grade so no i didnt know this.

force is based upon mass and acceleration.the statement is not always true.

it can be explained from newton's second law of motion.

as per newton's second law of motion the rate of change of momentum is directly proportional to the applied force and takes place along the direction of force.

mathematically it can be written as -

                                              ⇒      

here   k is the proportionality constant whose value is 1.

                                                            [a is the acceleration=dv/dt]

hence we see that force not only depends on mass and acceleration but also on velocity and rate of change of mass. force f will depend on mass and acceleration only when mass is constant.

hence the statement that force is based upon mass and acceleration is false.

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