OTEE General Science Principles 2

Question 1

According to Newton's Second Law of Motion, if a net force of 30 N acts on a 6 kg object, what is its acceleration?

Accepted Answer

5 m/s²

Answer

180 m/s²

Answer

0.2 m/s²

Answer

24 m/s²

Question 2

Which type of energy is stored in a compressed spring?

Accepted Answer

Elastic potential energy

Answer

Kinetic energy

Answer

Chemical energy

Answer

Thermal energy

Question 3

Which of the following best describes electrical resistance in a conductor?

Accepted Answer

The opposition to the flow of electric current

Answer

The rate of electron flow through a circuit

Answer

The force that drives current through a circuit

Answer

The total energy consumed by a circuit

Question 4

A wave with a frequency of 200 Hz and a wavelength of 1.5 m travels at what speed?

Accepted Answer

300 m/s

Answer

133 m/s

Answer

300 Hz

Answer

0.0075 m/s

Question 5

When light passes from air into water, it slows down and bends toward the normal. This phenomenon is called:

Accepted Answer

Refraction

Answer

Reflection

Answer

Diffraction

Answer

Dispersion

Question 6

The First Law of Thermodynamics states that energy:

Accepted Answer

Can neither be created nor destroyed, only converted

Answer

Can be created from matter but never destroyed

Answer

Always flows from cold objects to hot objects

Answer

Decreases in every real process

Question 7

A pulley system uses 3 rope segments to support a load. Ignoring friction, if the load weighs 600 N, the effort force required is:

Accepted Answer

200 N

Answer

1800 N

Answer

600 N

Answer

300 N