AP (Advanced Placement) Physics(B-C): Questions 183 - 185 of 921

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Question number: 183

» Torque and Equilibrium

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MCQ▾

Question

For an object or system to be in equilibrium,

Choices

Choice (5)Response

a.

The net torque on the object or system must equal zero

b.

The object or system must be stationary

c.

The net force and net torque on the object or system must equal zero

d.

The net force on the object or system must equal zero

e.

Question does not provide sufficient data or is vague

Question number: 184

» Gravitation and Circular Motion

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MCQ▾

Question

Consider two satellites in circular orbits of different radii rotate with same speed around Earth. Which of the following statements is true regarding the centripetal accelerations of the satellites?

Choices

Choice (5)Response

a.

Both experience the same centripetal acceleration

b.

It depends on the masses of the satellites, which are not known

c.

The satellite farther from Earth experiences the greater centripetal acceleration

d.

The satellite nearer to Earth experiences the greater centripetal acceleration

e.

None of the above

Question number: 185

» Torque and Equilibrium

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MCQ▾

Question

A bridge, supported by two piers (one at each end) is long and has mass of . A car is parked on the bridge from the center. How much force is each pier exerting upward to support the bridge?

Choices

Choice (5)Response

a.

and

b.

and

c.

and

d.

and

e.

All of the above

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