principles 2

Question 1

the weight of the body can be used as _____ to assisst in lifting or moving

Answer 1

force

Question 2

smooth, rhythmic movements at __________ require less energy than _____. _____, ______ motions are also more accurate, safer, safer and better controlled than _____, _____ movements

Answer 2

moderate speed, rapid jerky, smooth, continuous, sudden, jerky

Question 3

when an object is pushed, it _____ part of the force being exerted, leaving ____ force available to move the object

Answer 3

absorbs, less

Question 4

it takes __________ to work on a surface at a __________ than it does to ______ or ______ to reach the surface

Answer 4

less energy, height, stop, stretch