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A 15 kg object is at rest on a horizontal surface. What is the normal force acti
A 15 kg object is at rest on a horizontal surface. What is the normal force acting on it?
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Practice Questions
1 question
Q1
A 15 kg object is at rest on a horizontal surface. What is the normal force acting on it?
0 N
15 N
150 N
75 N
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Normal force = weight = mg = 15 kg * 10 m/s² = 150 N.
Questions & Step-by-step Solutions
1 item
Q
Q: A 15 kg object is at rest on a horizontal surface. What is the normal force acting on it?
Solution:
Normal force = weight = mg = 15 kg * 10 m/s² = 150 N.
Steps: 7
Show Steps
Step 1: Identify the mass of the object. The mass is given as 15 kg.
Step 2: Understand that the object is at rest on a horizontal surface, which means the normal force is equal to the weight of the object.
Step 3: Calculate the weight of the object using the formula: weight = mass * gravity.
Step 4: Use the value of gravity, which is approximately 10 m/s².
Step 5: Plug in the values: weight = 15 kg * 10 m/s².
Step 6: Perform the multiplication: 15 * 10 = 150.
Step 7: Conclude that the normal force acting on the object is 150 N.
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