by BlastRoom
Define a system boundary and locate its center of mass.
#physics

20 questions
One question set, multiple game modes. Tap any game to see it in action. Not sure which to pick?
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Use the labeled figure. Measuring from the 0 cm end, where is the center of mass of the uniform stick and clay together?

Use the labeled figure. The rod is light, so ignore its mass. From the left end at x = 0 m, where is the center of mass of the two masses?

Use the labeled figure. A uniform 120 cm rod has a clamp at the left end. Measuring from the left end, where is the center of mass of the rod-clamp system?

Use the labeled figure. Two carts sit on a track. Measuring from the left origin, where is the center of mass of the two-cart system?

Use the labeled figure. Three equal square tiles form an L shape. From the lower-left origin, where is the center of mass of the plate?

Use the labeled figure. A uniform meter stick has clay at both ends. From the 0 cm end, where is the center of mass of the whole system?

Use the labeled figure. A light rod holds two masses. Measuring from the left origin, where is the center of mass of the pair?

Use the labeled figure. A sensor is attached to the right end of a uniform 2.0 m rod. From the left end, where is the center of mass of the rod-sensor system?

Two skaters on frictionless ice push each other apart. If both skaters together are the system, how is each skater's push on the other classified?
A student wearing a backpack is the system. Which force is external to that system?
A rope is pulled by two teams in a tug-of-war. If the rope alone is the system, how should the teams' pulls on the rope be classified?
Two carts connected by a compressed spring are taken as one system on a nearly frictionless track. What can the spring force do to the system's center of mass?
A book slides across a table. If the system is just the book, which force is external to the system?
A 5.0 kg sphere is at x = 0 m and a 2.0 kg sphere is at x = 3.5 m. Where is the center of mass of the two-sphere system?
A 1.0 kg cart is at x = -2.0 m and a 3.0 kg cart is at x = 2.0 m. What is the center of mass position?
A 4.0 kg object is at x = 1.0 m and a 6.0 kg object is at x = 4.0 m. Where is the center of mass?
A 0.50 kg mass is at x = 10 cm and a 1.50 kg mass is at x = 50 cm. Where is the center of mass of the two masses?
A uniform horseshoe-shaped magnet has most of its material in a curved U shape with an open gap. Where can its center of mass be?
A thin, uniform metal ring lies flat on a table. The geometric center is empty space. What is true about the ring's center of mass?
A uniform boomerang is shaped like a wide V. Its balance point is inside the angle of the V where there is no wood. What does this show?
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Forces on an Inclined Plane
20 questions