AP Physics 1 2.6.C: Apparent Weight

Practise comparing normal force with gravitational force in elevators and at hilltops to determine apparent weight during vertical or circular acceleration.

Exam points

Compare normal force with mg from an elevator’s acceleration and direction of motion.
Calculate scale readings and hilltop support forces using Newton’s second law and v²/r.

[Maximum number: 1]

While standing on an elevator and experiencing a downward acceleration of $4.9 \mathrm{~m} / \mathrm{s}^{2}$ , what is the force between the floor and your feet? The variable m is your mass.

m g

0.5 m g

1.5 m g

4.9 m g

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2.6.C—Describe the conditions under which the magnitude of a system’s apparent weight is different from the magnitude… question 1