ESAT ESAT Physics 1

Question 1

What is Newton's second law of motion as typically tested in the ESAT Physics section?

Accepted Answer

F = ma

Answer

F = mv

Answer

E = mc²

Answer

p = mv²

Question 2

In an ESAT physics problem, a 2 kg object accelerates at 5 m/s². What net force acts on it?

Accepted Answer

10 N

Answer

2.5 N

Answer

7 N

Answer

3 N

Question 3

Which of the following describes the work-energy theorem?

Accepted Answer

Net work done on an object equals its change in kinetic energy

Answer

Work equals force times time

Answer

Energy is always conserved in all forms

Answer

Power equals force times velocity squared

Question 4

What is the SI unit of electric charge?

Accepted Answer

Coulomb (C)

Answer

Ampere (A)

Answer

Volt (V)

Answer

Farad (F)

Question 5

A wave has frequency 500 Hz and wavelength 0.68 m. What is its speed?

Accepted Answer

340 m/s

Answer

500 m/s

Answer

0.68 m/s

Answer

735 m/s

Question 6

In the ESAT Physics component, Ohm's Law is expressed as:

Accepted Answer

V = IR

Answer

P = IV²

Answer

I = V²/R

Answer

R = IV