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9-23 Newton's 2nd Law Practice

Last updated 3 days ago

15 questions

Units: Force - N; mass - kg; acceleration: m/s2

Even though force is a vector, don't worry about adding a direction to your answers. 

Taylor is pushing a Disney turkey leg vending cart with a mass of 42 kg. The cart’s acceleration is to the right at 2 m/s2 .

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Jordan’s airplane accelerates horizontally at 31 m/s2

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Keith kicks a basketball with a mass of 9 kg.  He says, “It’ll be fine" as it breaks a window

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Question 1

1.

Taylor is pushing a Disney turkey leg vending cart with a mass of 42 kg. The cart’s acceleration is to the right at 2 m/s2 . Find the force Taylor is applying to the cart.

Question 2

2.

Draw the Free Body Diagram Taylor is pushing a Disney turkey leg vending cart with a mass of 42 kg. The cart’s acceleration is 2 m/s2. Find the force Taylor is applying to the cart. Remember, Free Body Diagrams have all forces drawn, labeled, and the value if you can calculate.

Question 3

3.

If the cart in the question above experiences a frictional force of 1 N, What is the net force in the x-direction?

Question 4

4.

Jordan’s airplane accelerates horizontally at 31 m/s2. Find Jordan’s airplane’s mass if she applies a force of 273,730 N. Due to the aerodynamics of the plane’s design, you can disregard air resistance.

Question 5

5.

What is the net force in the y-direction of Jordan's plane?

Question 6

6.

Draw the Free Body Diagram Jordan’s airplane accelerates horizontally at 31 m/s2. Find Jordan’s airplane’s mass if she applies a force of 273,730 N. Remember, Free Body Diagrams have all forces drawn, labeled, and the value if you can calculate.

Question 7

7.

Keith kicks a basketball with a mass of 9 kg. He says, “It’ll be fine" as it breaks a window. If Keith applied a force of 41 N to the basketball, find the ball’s acceleration. (Assume no vertical motion)

Question 8

8.

Draw the Free Body Diagram: Keith kicks a basketball with a mass of 9 kg along the surface. He says, “It’ll be fine" as it breaks a window. If Keith applied a force of 41 N to the basketball, find the ball’s acceleration. (Assume no vertical motion) Remember, Free Body Diagrams have all forces drawn, labeled, and the value if you can calculate.

Question 9

9.

What is the net force of the basketball in the x-direction if it experiences a frictional force of 0.4N?

Question 10

10.

If the object has no acceleration in either direction, what is the magnitude of Ft?

Question 11

11.

If the object has no acceleration in either direction, what is the magnitude of Fg?

Question 12

12.

Knowing the magnitude of Fg, what is the object's mass?

Question 13

13.

If Ft = 105N, what is the net force in the x-direction?

Question 14

14.

If Ft = 105N, what is the object's acceleration? (Use previous answer for this question)

Question 15

15.

What magnitude of Ft would be needed to have an acceleration of 20m/s2?