O-LevelPhysicsForces5054/11 · Oct/Nov 2014 · Q61 Mark
A scientist places a rock on a spring balance. She then places the same rock on a beam balance. At the North Pole, the gravitational field strength is greater than at the Equator. She performs the experiment at the North Pole and at the Equator. How do the readings at the North Pole compare with those at the Equator?
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Ascale reading on spring balance: different at North Pole, masses needed on beam balance: different at North Pole
Bscale reading on spring balance: different at North Pole, masses needed on beam balance: same at North Pole
Cscale reading on spring balance: same at North Pole, masses needed on beam balance: different at North Pole
Dscale reading on spring balance: same at North Pole, masses needed on beam balance: same at North Pole
✓ Correct answer
B: scale reading on spring balance: different at North Pole, masses needed on beam balance: same at North Pole
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