AnswersAA-F26 Physical ScienceIntroduction to Forces

Introduction to Forces Answers

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Which force best represents Fg?

A
A weight lifter is pushing a barbell upward with a force of 90 N.
B
The weight of a barbell acting on a weight lifter is 80 N.
C
The amount of upward force of a table on a box is 25 N.
D
A box on a rough table has difficulty sliding past 25 N of force.
2
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If forces acting on an object are unbalanced, which factor may result from an unbalanced force?

A
The net force is negative.
B
There is zero net force.
C
The forces cancel each other out.
D
There is no change in motion.
3

Which best explains parallel forces?

A
left and right forces that can be added together
B
right and upward forces that cancel each other out
C
addition of parallel forces that cannot result in a negative force
D
left and downward forces that cancel each other out
4

Haley is trying to pull an object upward. The below forces are acting on the object.Fp= 5500 NFg= 6000 N

A
← 500 N
B
→ 500 N
C
↑ 500 N
D
↓ 500 N

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