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Biblioteka

Unit 3 Test Retake

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Posljednje ažuriranje about 1 month ago
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Must score 90% or higher

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Question 1
00:50
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Pitanje 1
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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Pitanje 3
3.

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

Pitanje 4
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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Pitanje 5
5.

What is mass?

Question 6
01:39
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Pitanje 7
7.

Where will an astronaut have more mass?

Pitanje 8
8.

Where will an astronaut have more Weight?

Pitanje 9
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?

Pitanje 10
10.

Every action has  an equal and opposite reaction is-

Pitanje 11
11.

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

Pitanje 12
12.

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

Question 13
02:47
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Pitanje 13
13.

Which will have more acceleration?

Pitanje 14
14.

Which of the following would produce the greatest acceleration?

Pitanje 15
15.

Which vector represents the weight?

Pitanje 16
16.

Which vector represents the normal force?

Pitanje 17
17.

Which direction is the object accelerating?

Pitanje 18
18.

Which is the mass of the object?

Pitanje 19
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?

Pitanje 20
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?

Pitanje 2
2.

Which object will have more inertia?

Pitanje 6
6.

What is weight?