2010 | physics-tuition-sg

Evan Toh

Oct 221 min read

2010SPP2Q12 Fuel gauge using variable resistor

Solutions: As the fuel level drops, the float which stays on the fuel surface will descend. The rod which is attached to the float will...

Evan Toh

Oct 201 min read

Video 01 How to find resultant force of two or three forces (without drawing vector diagram)

Below are some examples of questions that involve finding the resultant force due to two or three forces. Below are the questions in the...

Evan Toh

Jan 11 min read

2010SPp1q12 Lens - focal length definition

Answer: Option C Focal length f is the distance between the focal point and the centre of the lens (optical centre) . Note that only...

Evan Toh

Dec 31, 20231 min read

PP N2010 P1 Q4 Two objects same size and shape but one is heavier. Motion when both released

Solutions: Option C When a body is released from rest, the only force acting on the body is its weight due to gravity . Both bodies...

Evan Toh

Dec 31, 20231 min read

Identifying what lens, focal length and image from 2 rays – PP2010P1Q23 and SP2014P1Q11

These 2 questions are actually the same. Q23 is from 2010 Pure Physics P1 while Q11 is from 2014 Sci Physics P1. Take a look at these 2...

Evan Toh

Nov 30, 20231 min read

2004PPp1q4 2010SPp1q4 Dynamics (3rd law)

Answer: Option D Key concept here is Newton’s 3rd Law. Action equals reaction. Both trolleys are connected by the spring, hence the...

Evan Toh

Nov 30, 20231 min read

PP2010P1Q23 and SP2014P1Q11 - Identifying what lens, focal length and image from 2 rays

These two questions are actually the same. Q23 is from 2010 Pure Physics P1 while Q11 is from 2014 Sci Physics P1. Take a look at these 2...