AP (Advanced Placement) Physics(B-C): Questions 177 - 180 of 921

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Question 177

Question

MCQ▾

A car of mass is parked on an inclined ramp of angled with horizontal. What is the friction force between the surface of inclined ramp and tires of car in Newton?

Choices

Choice (5)Response

a.

b.

c.

d.

e.

None of the above

Question 178

Question

MCQ▾

The figure shows three charged particles held in position along a line. What is the net electric field at point P due to the two charges? Let .

Three Charged Particles Along a Line

Choices

Choice (5)Response

a.

to the right

b.

o the right

c.

to the left

d.

to the left

e.

None of the above

Question 179

Question

MCQ▾

A force of is applied for to an object of mass. The acceleration of the object is:

Choices

Choice (5)Response

a.

b.

c.

d.

e.

All of the above

Question 180

Question

MCQ▾

When a sled is sliding at constant speed down an icy hill,

Choices

Choice (5)Response

a.

The friction force in backward direction must be equal to the inertial force to propelling the sled forward

b.

The friction force must be zero, since there is no force to propelling the sled forward

c.

There must be a friction force equal in size to the gravitational force component directed down the hill

d.

There must be no friction force in this condition

e.

All of the above

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