Question 5
Question 5 of 40
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Older MCQs might not have the typical A, B, C, D choices. They have choices 1, 2, 3, and a combination of them is the answer. Below is the key that maps such combinations to the answer.
A 1, 2 and 3 are correct
B 1 and 2 only are correct
C 2 and 3 only are correct
D 1 only is correct
Topics Tested
1. Motion, forces and ene...
1.5.4. Circular motion

Describe, qualitatively, motion in a circular path due to a force perpendicular to the motion as: (a) speed increases if force increases, with mass and radius constant (b) radius decreases if force increases, with mass and speed constant (c) an increased mass requires an increased force to keep speed and radius constant (F = mv²/r is not required)

6. Space physics
6.1.2. The Solar System

Know that the force that keeps an object in orbit around the Sun is the gravitational attraction of the Sun

1. Motion, forces and ene...
1.5.1. Balanced and unbalanced forc...

State Newton's first law as 'an object either remains at rest or continues to move in a straight line at constant speed unless acted on by a resultant force'