Mastery Check 3-9 (b)
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Last updated 17 days ago
7 questions
1
Mastery checks are pledged activities. You may ONLY use: a calculator. No assistance from notes, friends, the internet, etc. You may write "I pledge" and sign your name here.
Mastery checks are pledged activities. You may ONLY use: a calculator. No assistance from notes, friends, the internet, etc.
You may write "I pledge" and sign your name here.
1
Which of the following is true about your net force if you are standing stationary on a bathroom scale?
Which of the following is true about your net force if you are standing stationary on a bathroom scale?
1
Which of the following is true about the forces acting on you if you are in an elevator accelerating upwards?
Which of the following is true about the forces acting on you if you are in an elevator accelerating upwards?
A 32 kg boy is standing in an elevator.
2
Before the elevator starts moving, his normal force (Fn) is greater than his weight (Fg) because he is standing up.
Before the elevator starts moving, his normal force (Fn) is greater than his weight (Fg) because he is standing up.
2
What is the force of gravity pulling down on the boy?
Show your work (use the calculation rubric)
What is the force of gravity pulling down on the boy?
Show your work (use the calculation rubric)
2
The elevator then starts accelerating downwards at 0.3 m/s2. What is the net force acting on the boy?
Show your work (use the calculation rubric)
The elevator then starts accelerating downwards at 0.3 m/s2. What is the net force acting on the boy?
Show your work (use the calculation rubric)
2
Therefore, what is the normal force acting on the boy as the elevator accelerates downwards?
Therefore, what is the normal force acting on the boy as the elevator accelerates downwards?