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What is the coefficient of static friction if a block on a horizontal surface be
What is the coefficient of static friction if a block on a horizontal surface begins to slide at a force of 20 N and the normal force is 50 N?
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Practice Questions
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Q1
What is the coefficient of static friction if a block on a horizontal surface begins to slide at a force of 20 N and the normal force is 50 N?
0.2
0.4
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0.6
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The coefficient of static friction (μs) is given by μs = F/N, where F is the force and N is the normal force. Here, μs = 20 N / 50 N = 0.4.
Questions & Step-by-step Solutions
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Q
Q: What is the coefficient of static friction if a block on a horizontal surface begins to slide at a force of 20 N and the normal force is 50 N?
Solution:
The coefficient of static friction (μs) is given by μs = F/N, where F is the force and N is the normal force. Here, μs = 20 N / 50 N = 0.4.
Steps: 5
Show Steps
Step 1: Identify the force that causes the block to start sliding. In this case, it is given as 20 N.
Step 2: Identify the normal force acting on the block. This is given as 50 N.
Step 3: Use the formula for the coefficient of static friction, which is μs = F / N, where F is the force and N is the normal force.
Step 4: Substitute the values into the formula: μs = 20 N / 50 N.
Step 5: Calculate the result: μs = 0.4.
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