Titz An object initially at rest experiences an acceleration
of 2.50 m/s on a level surface. Under these
conditions, it travels 5.00 m. Let's designate the
first 2.50 m as phase 1 with a subscript of 1 for
those quantities, and the second 2.50 m as phase 2
with a subscript of 2.
Now calculate the two travel times

answer: b.

explanation:

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.