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Laabri

Unit 3 Test Retake

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Last updated about 1 month ago
20 Nsɛmmisa

Must score 90% or higher

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Question 1
00:50
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1.

Which of Newton's laws is called the Law of inertia?

Question 2
01:20
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Question 3
02:44
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3.

As the bus moves forwards, which direction do you go?

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4.

When a car suddenly stops, the objects in the back seat are thrown forward. This is explained by

Question 5
00:24
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5.

What is mass?

Question 6
01:39
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7.

Where will an astronaut have more mass?

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8.

Where will an astronaut have more Weight?

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9.

An airplane is traveling at cruising speed where the applied force of its 4 engines is equal to the drag on the airplane. If 1 of the engines breaks, what will happen?

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10.

Every action has  an equal and opposite reaction is-

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11.

If an object is resting on a surface, which forces are present?

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12.

If an object is falling from the sky, which forces are present?

Question 13
02:47
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13.

Which will have more acceleration?

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14.

Which of the following would produce the greatest acceleration?

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15.

Which vector represents the weight?

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16.

Which vector represents the normal force?

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17.

Which direction is the object accelerating?

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18.

Which is the mass of the object?

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19.

A horse pulls on a cart with a force of 180 newtons. The cart accelerates at the rate of 5 m/s2. According to Newton's law of force and acceleration, what is the mass of the cart to the nearest kilogram?

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20.

What is the mass of a truck if it produces a force of 14,000 N while accelerating at a rate of 5 m/s2?

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2.

Which object will have more inertia?

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6.

What is weight?