Force Calculations

HS Physical Science
Science
North Carolina Standard Course of Study

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13 questions
• Q1
"An object in motion will remain at motion unless acted upon by an unbalanced force" Which of Newton's laws is this phrase from?
Newton's 1st Law
Newton's 3rd Law
Newton's 2nd Law
60s
• Q2
I exert a force of 25N on the floor without moving. How much force is the ground exerting on me?
25N
0N
245N
2.55kg
60s
• Q3
An object with a mass of 60kg is pushed and accelerates at a rate of 2m/s/s. What was the applied force?
588N
30N
62N
120N
60s
• Q4
An object is free falling. What is it's acceleration?
9.8m/s/s
1m/s/s
0m/s/s
2m/s/s
60s
• Q5
A man is skydiving and releases his parachute, causing him to have a constant velocity moving down. If he has a weight of 250N, what is the force of air resistance pushing up into the parachute?
Not enough information
2450N
250N
25.5N
60s
• Q6
This book is at rest. What is happening to the forces being applied to the book?
Normal force is pushing up with more force
Gravity and Normal forces are balanced
Gravity is pulling down with more force
60s
• Q7
Based on the above diagram, what is the acceleration of the red figure (A)?
6m/s/s Right
2m/s/s Right
0.67m/s/s Right
45m/s/s Right
60s
• Q8
Based on the image, what is the acceleration of the blue figure (B)?
7m/s/s Right
2m/s/s Right
1m/s/s Right
1m/s/s Left
60s
• Q9
A tire rolling down the road is experiencing what type of friction?
Static
Rolling
Fluid
Kinetic/Sliding
60s
• Q10
Which type of friction must be overcome for motion to occur?
Kinetic/Sliding
Static
Rolling
Fuild
60s
• Q11
As you erase an answer from paper, what type of friction is your eraser experiencing?
Static
Kinetic/Sliding
Fluid
Rolling
60s
• Q12
What is the momentum of a 6000kg object traveling at 40m/s?
2352000kg*m/s
150kg*m/s
240000kg*m/s
15.31kg*m/s
60s
• Q13
A car moving at 25m/s hits a wall with a momentum of 350kg*m/s. What was the car's mass?
14kg
35.71kg
8750kg
245kg
60s

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