B. Two crates are dropped from the same height in a vacuum. The mass and force of the crates are shown in the diagram. O C 70 kg 50 kg 686 N Which of the following statements is supported by the data? 490 N A Both of the crates are falling at a constant speed. Both of the crates are accelerating at the same rate. The normal force will be the same on both crates when they hit the ground

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Chapter1: Units, Trigonometry. And Vectors
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1V1
O
©2023
ES
AF
VTV:
6:59 PM Sun Feb 20
6
Unit-5 Review
A FA
ALA
LA FA
44 Question 8
70 kg
▶▶
50 kg
490 N
C
Pause
Q Zoom
Two crates are dropped from the same height in a vacuum. The mass and force of the crates are shown in the diagram.
686 N
Which of the following statements is supported by the data?
O B. Both of the crates are accelerating at the same rate.
Illuminate Education TM, Inc.
O
A. Both of the crates are falling at a constant speed.
1
A LA
A LA
Illuminate "Quick Code"
The normal force will be the same on both crates when they hit the ground.
T
Transcribed Image Text:1V1 O ©2023 ES AF VTV: 6:59 PM Sun Feb 20 6 Unit-5 Review A FA ALA LA FA 44 Question 8 70 kg ▶▶ 50 kg 490 N C Pause Q Zoom Two crates are dropped from the same height in a vacuum. The mass and force of the crates are shown in the diagram. 686 N Which of the following statements is supported by the data? O B. Both of the crates are accelerating at the same rate. Illuminate Education TM, Inc. O A. Both of the crates are falling at a constant speed. 1 A LA A LA Illuminate "Quick Code" The normal force will be the same on both crates when they hit the ground. T
Expert Solution
Step 1

When any object having whatever mass falls from a height in a vacuum (No air resistance) the it experiences a constant acceleration , that is acceleration due to Earth's force of gravity  g=9.8 mS2.

So, Here both the object having different mass will fall at a constant acceleration.

 

Now as the falling object experience gravitational force , it accelerates, so its speed changes with time while falling. So no constant speed for the falling crates.

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