VCE Physics Practice Questions - VCE Physics Units 3 & 4 (VCAA) Exam - VCE Physics Practice Questions

Question 1

Which of the following best describes how the magnitude of the gravitational field strength g varies with distance r from the center of a uniform spherical planet of mass M and radius R, for positions outside the planet (r >= R)?

g is directly proportional to r. g is inversely proportional to r. g is inversely proportional to r squared. g is constant regardless of distance r.

Correct Answer:

g is inversely proportional to r squared.

Question 2

An astronaut has a mass of 70 kg on Earth, where g = 9.8 N/kg. What are the astronaut's mass and weight on the Moon, where g_moon = 1.6 N/kg?

Mass = 70 kg, Weight = 112 N Mass = 11.4 kg, Weight = 112 N Mass = 70 kg, Weight = 686 N Mass = 11.4 kg, Weight = 686 N

Correct Answer:

Mass = 70 kg, Weight = 112 N

Question 3

Two spherical masses m1 and m2 are separated by a distance r, exerting a gravitational force F on each other. If mass m1 is doubled and the separation distance r is tripled, what is the new gravitational force between them?

(2/3) F (4/9) F (2/9) F (6/1) F

Correct Answer:

(2/9) F

Question 4

A satellite orbits Earth in a stable circular orbit of radius r with speed v. If the orbital radius is increased to 4r, what will be the satellite's new orbital speed?

0.25 v 0.50 v 2.0 v 4.0 v

Correct Answer:

0.50 v

Question 5

Satellite A orbits a planet at radius r with period T. Satellite B orbits the same planet at radius 4r. According to Kepler's Third Law, what is the orbital period of Satellite B in terms of T?

2 T 4 T 8 T 16 T

Correct Answer:

8 T

Question 1

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Prepare with the VCE Physics Practice Questions - VCE Physics Units 3 & 4 (VCAA) Exam practice quiz. This question bank includes 100 questions covering field, magnetic, electric, speed, and uniform. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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VCE Physics Practice Questions - VCE Physics Units 3 & 4 (VCAA) Exam

This practice set contains 100 questions from the matching question bank and focuses on field, magnetic, electric, speed, and uniform. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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VCE Physics Practice Questions - VCE Physics Units 3 & 4 (VCAA) Exam

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