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Laabri

9-23 Newton's 2nd Law Practice

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Last updated 2 months ago
15 Nsɛmmisa

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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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.

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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.

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3.

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

Jordan’s airplane accelerates horizontally at 31 m/s2

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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.

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5.

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

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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.

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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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)

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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.

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9.

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

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10.

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

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11.

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

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12.

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

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13.

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

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14.

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

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15.

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