A scientist investigated how the maximum muscle power of humans varies with age and gender. The scientist asked volunteers to stand on a platform and to jump as high as they could.
Figure 4 shows a volunteer taking part in the experiment. Figure 4
An electronic timer measured the time that the volunteer was in the air.
The muscle power in watts per kg is calculated using the following equation:
muscle power = 9.8 × jump height time
One volunteer has a muscle power of 41 W/kg He was in the air for 0.12 s
0 3 . 1
Calculate his jump height.

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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.