Week 29 - Linear Kinetics

Question 1

define force (static)

Answer 1

the push or pull upon an object resulting from the object’s interaction with another object

Question 2

define force (dynamic)

Answer 2

the influence that causes a mass to be accelerated

Question 3

what is force measured in ?

Answer 3

newtons (N)

Question 4

define newton’s first law

Answer 4

every body continues in its state of rest, or uniform motion in a straight line, unless it is compelled to change that state by forces exerted upon it

Question 5

define newton’s second law

Answer 5

the change of motion is directly proportional to the force impressed and that change takes place in the direction of the straight line in which the force acts

Question 6

define newton’s third law

Answer 6

for every force that is exerted by one body on another there is an equal and opposite force exerted by the second body on the first. mutual actions of two bodies upon each other are always equal and directed to contrary parts

Question 7

define ground reaction force

Answer 7

the reaction force provided by the surface upon which one is moving