A Horizontal Shove of at Least 200-N Is Required to Start

question 51

Multiple Choice

A horizontal shove of at least 200-N is required to start moving an 800-N crate initially at rest on a horizontal floor.The coefficient of static friction is:

• A)0.125
• B)0.25
• C)0.50
• D)4.00
• E)none of these

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Definitions:

Moderate Intensity

A level of exercise or physical activity that raises the heart rate and induces sweating, yet allows one to carry on a conversation.

Omega-3

A type of essential fatty acid found in fish oils and certain plant oils, beneficial for heart health and brain function.

Body Mass Index

A numerical calculation using height and weight to estimate a person's body fat and assess their risk for diseases related to overweight or obesity.

Moderate-Intensity Exercise

A level of exercise that raises the heart rate to 50-70% of the maximum heart rate, improving cardiovascular health without excessive strain.