You push a friend on a sled. Your friend and the sled together have a mass of 80kg. If the net force on the sled is 40N, what is the sled’s acceleration?
2 points
2
Question 4
4.
What is the value for the unknown that you solved for in question 3? Label your answer!
1 point
1
Question 5
5.
Known 1:
1 point
1
Question 6
6.
Known 2:
1 point
1
Question 7
7.
Show your work for solving the problem... If the mass of a helicopter is 4,500kg and the net force on it is 18,000N, what is the helicopter’s acceleration?
2 points
2
Question 8
8.
What is the value for the unknown that you solved for in question 7? Label your answer!
1 point
1
Question 9
9.
Known 1:
1 point
1
Question 10
10.
Known 2:
1 point
1
Question 11
11.
Show your work for solving the problem... What is the net force on a dragster with a mass of 1,000kg if its acceleration is 35 m/s2 ?
2 points
2
Question 12
12.
What is the value for the unknown that you solved for in question 11? Label your answer!
1 point
1
Question 13
13.
Known 1:
1 point
1
Question 14
14.
Known 2:
1 point
1
Question 15
15.
Show your work for solving the problem... 1. A car is being pulled by a tow truck. What is the car’s mass if the net force on the car is 3,000N and it has an acceleration of 2m/s2?
2 points
2
Question 16
16.
What is the value for the unknown that you solved for in question 15? Label your answer!
1 point
1
Question 17
17.
Known 1:
1 point
1
Question 18
18.
Known 2:
1 point
1
Question 19
19.
Show your work for solving the problem.... You push yourself on a skateboard with a force of 30N and accelerate at 0.5m/s2. Find the mass of you AND the skateboard together.
2 points
2
Question 20
20.
What is the value for the unknown that you solved for in question 19? Label your answer!
1 point
1
Question 21
21.
Known 1:
1 point
1
Question 22
22.
Known 2:
1 point
1
Question 23
23.
Show your work for solving the problem... You push a book that has a mass of 2kg so that it has an acceleration of 1m/s2. What is the net force on the book?
2 points
2
Question 24
24.
What is the value for the unknown that you solved for in question 23? Label your answer!
1 point
1
Question 25
25.
Known 1:
1 point
1
Question 26
26.
Known 2:
1 point
1
Question 27
27.
Show your work for solving the problem... An 8,500g mass has an acceleration of 5.54m/s2. What is the net force applied? (HINT: you have to convert the mass from grams to kilograms! 1,000 grams = 1 kilogram...move the decimal 3 spaces to the left)
2 points
2
Question 28
28.
What is the value for the unknown that you solved for in question 27? Label your answer!
1 point
1
Question 29
29.
Known 1:
1 point
1
Question 30
30.
Known 2:
1 point
1
Question 31
31.
Show your work for solving the problem... A 3200N force is applied to a 160kg mass. What is the acceleration of the mass?
2 points
2
Question 32
32.
What is the value for the unknown that you solved for in question 31? Label your answer!
1 point
1
Question 33
33.
Final Velocity value:
1 point
1
Question 34
34.
Initial Velocity value:
1 point
1
Question 35
35.
Time value:
1 point
1
Question 36
36.
Show your work for solving the problem.... An object has a mass of 2.3kg and went from rest to a speed of 3.5m/d in 30 seconds. What is the acceleration? What force was applied to the object?
2 points
2
Question 37
37.
What is the value for the acceleration that you solved for in question 36? Label your answer!
1 point
1
Question 38
38.
Known 1:
1 point
1
Question 39
39.
Known 2:
1 point
1
Question 40
40.
Show your work for solving the problem... An object has a mass of 2.3kg and went from rest to a speed of 3.5m/d in 30 seconds. What is the acceleration? What force was applied to the object?
2 points
2
Question 41
41.
What is the value for the unknown that you solved for in question 40? Label your answer!
