Test-u6 C3 Flashcards

1
Q
  1. The relationship among mass,force and acceleration is explained by
A

Newton’s 2nd law of motion

U6 C3 Newton’s laws of motion pg. 22

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2
Q
  1. When two forced on the same object are equal and opposite, the forces are called what forces?
A

Balanced forces

U6 C3 Newton’s laws of motion pg. 20

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3
Q
  1. What is the weight of the box in the picture to the right?
A

245N

U6 C3 Newton’s laws of motion pg.20

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4
Q
  1. What is related to the amount of force needed to change an objects motion?
A

Momentum

U6 C3 Newton’s laws of motion pg. 23

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5
Q
  1. Why does someone not wearing a seatbelt in a car fly forward when the car stops suddenly?
A

Because objects in motion resist a change in motion, due to inertia

U6 C2 Newton’s laws pg 22

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6
Q
  1. b. What speed will the skydiver eventually reach? What is this speed called?
A

55m/s
Terminal velocity

U6 C3 Newton’s laws pg 22

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