1. The vertical ground reaction component

a. can be determined using a force platform

b. have two major peaks during rearfoot running

c. can be determined from the accelerations of the center of masses of all body segments

d. All of these

2. The vertical ground reaction force component during a countermovement jump

a. can have force less then body weight

b. can indicate the height of the jump

c. can indicate the takeoff for the jump

d. All of these

3. When an object passes through a fluid:

a. the fluid does not affect the movement of the object

b. the object does not disturb the fluid

c. the degree of disturbance of the fluid is a function of both the density and viscosity of the fluid

d. the greater the disturbance of the fluid, the greater the energy loss