Author Question: A push on a 1-kg brick accelerates it. Neglecting friction, equally accelerating a 10-kg brick ... (Read 83 times)

BRWH · **on:** Jul 29, 2018

A push on a 1-kg brick accelerates it. Neglecting friction, equally accelerating a 10-kg brick requires

A) just as much force.
B) 10 times as much force.
C) 100 times as much force.
D) one-tenth the amount of force.
E) none of the above

Question 2

Phil stands at rest with both feet on a scale that reads 500 N. When he gently lifts one foot, the scale reads

A) less than 500 N.
B) 500 N.
C) more than 500 N.