Physics

Circular Motion — Multiple-Choice Questions (Edexcel IAL Physics): Exam Questions

2 questions · 2 marks · ≈ 2 min

Guided practice

11 markmedium

A website states: “The radius of the orbit of the Moon around the Earth is increasing by a small amount each year, however the time period of the orbit remains constant.”

Which row of the table is correct if the statement is true?

	Angular velocity of Moon	Speed of Moon
A	constant	constant
B	constant	increasing
C	increasing	constant
D	increasing	increasing

Choose your answer

21 markmedium

Two points, P and Q, lie on a disc that rotates about a fixed axis. Point P is three times as far from the axis as point Q. The linear speed of point Q is $v$ .

Which of the following gives the linear speed of point P?

Choose your answer

$\frac{1}{3} v$

$v$

$3 v$

$9 v$

Angular velocity of Moon

Speed of Moon

constant

increasing

constant

increasing