Two Parents Moving into a New House Attempt to Pull

question 51

Multiple Choice

Two parents moving into a new house attempt to pull a large crate down a large hallway. One parent applies a force of magnitude 150 N directed 45 degrees to the direction of motion, while the other parent applies a force of 120 N on the other side of the direction of motion. If they move the crate 15 m and perform work at 2.6 kJ, at what angle to the direction of motion did the second parent pull on the crate?

• A) 54 degrees
• B) 30 degrees
• C) 60 degrees
• D) 34 degrees
• E) 56 degrees

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