AP (Advanced Placement) Physics(B-C): Questions 131 - 133 of 921

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Question number: 131

» Force and Newton's Law of Motion

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MCQ▾

Question

A string hold block on a tilted ramp so that the block cannot slide. If the angle of the ramp is increased, then how do the forces on the block change?

Choices

Choice (5)Response

a.

Normal Force from Ramp, Static Friction and Tension

Normal Force from Ramp

Static Friction

Tension from string

Increases

Increases

Increases

b.

Normal Force from Ramp, Static Friction and Tension

Normal Force from Ramp

Static Friction

Tension from string

Decreases

Decreases

Increases

c.

Normal Force from Ramp, Static Friction and Tension

Normal Force from Ramp

Static Friction

Tension from string

Increases

Increases

Decreases

d.

Normal Force from Ramp, Static Friction and Tension

Normal Force from Ramp

Static Friction

Tension from string

Decreases

Decreases

Decreases

e.

All of the above

Passage

Refer to the illustration for questions below.

A solid sphere in uniform electric field

A Solid Sphere in Uniform Electric Field

Question number: 132 (1 of 2 Based on Passage) Show Passage

» Electrostatics

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MCQ▾

Question

An uncharged metal sphere is placed into a uniform electric field, as shown in the figure. Which of the following illustrations best represents the electric field in the region of the sphere after the sphere is placed into the field?

Choices

Choice (5)Response

a.

Electric field in region of sphere : Choice – A

b.

Electric field in region of sphere : Choice – B

c.

Electric field in region of sphere : Choice – C

d.

Electric field in region of sphere : Choice – D

e.

Question does not provide sufficient data or is vague

Question number: 133 (2 of 2 Based on Passage) Show Passage

» Electrostatics

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MCQ▾

Question

An uncharged solid metal sphere is placed into a uniform electric field directed to the right, as shown in the figure. Which of the following statements best describes what will happen to the sphere?

Choices

Choice (5)Response

a.

The field will exert a force on electrons, causing them to move away to the right, leaving the sphere with a net positive charge.

b.

Since the sphere is uncharged, nothing will happen to it in the field.

c.

Charges in the sphere will separate, with the right side of the sphere more negative.

d.

Charges in the sphere will separate, with the right side of the sphere more positive.

e.

Question does not provide sufficient data or is vague

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