A 200 Kg Box Slides Up a 12

question 57

Multiple Choice

A 20.0 kg box slides up a 12.0 m long incline at an angle of 30.0 degrees with the horizontal.A force of 150 N is applied to the box to pull it up the incline.The applied force makes an angle of 10.0 degrees to the incline.What is the change in gravitational potential energy,in Joules?

• A) 2,570
• B) 2,350
• C) 1,450
• D) 1,180
• E) 945

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Definitions:

Frogleg-wound

A type of armature winding in electric motors and generators that resembles the legs of a frog spread out, used to achieve certain magnetic and electrical properties.

Lap-wound

A winding technique in electrical machinery where the coil windings overlap similar to shingles on a roof, enhancing magnetic field uniformity and efficiency.

Wave-wound

A type of armature winding in a generator or motor where the windings are connected in series to form a continuous loop, enhancing efficiency.

Large Wire

A wire of significant diameter, often used to conduct higher currents or to minimize resistance losses over long distances.