Consider this situation: a baseball player dives head-first into second base and slows down while sliding on the infield dirt.

of the forces listed, identify which act upon the player. can be more then one answer
a. normal force
b. gravity force
c. applied force
d. friction force
e. tension force
f. air resistance force

What is the final velocity of the initial velocity of 25 and -50?

When considering gravity acceleration and the force of acceleration, what must be true? a. the direction of acceleration must be perpendicular to the direction of the force. b. the direction of the force and the direction of acceleration must be the same as each other. c. the direction of the force and the direction of acceleration must be opposite of each other. d. the mass of the body must be the same as the acceleration of the body.

What is a neurotransmitter involved in mood reward, addiction, and motor behaviors?