ASSESSMENT 3_BSFT 2A

It is a science that deals with matter, composition, structure and properties, the changes that it undergoes, and the energy accompanying the changes between them.

• Biology

• Chemistry

• Physics

• Mathematics

The following are fundamental quantities except:

• length   

• speed

• time

• temperature

The following are the correct SI units of the given base quantities except:

• length – meter

• mass – kilogram

• temperature – Celsius

• current – Ampere

A car covers a distance of 75 km due east in 3 hrs while a truck covers 50 km due west in 2 hrs. The following statements are TRUE except:

• The speed of the car and the truck is both 25 km.

• The velocity of the car and the is 25 km E while the velocity of the truck is 25 km W. 

• The car and the truck has the same speed.

• The car and the truck has the same velocity.

A moving object tends to stay in motion and a resting object tends to stay at rest…

• even if it is pushed or pulled.

• unless a force acts on it

• until major weather changes

• even if it is rolled

According to Newton’s 3rd law, forces always occur in _________ pairs.

• equal but complementary

• equal but opposite

• unequal but opposite

• unequal but complementary

Which of the following statements is not correct?

• Energy is the capacity to do work.   

• Power is the amount of work done in a unit of time.

• Work can be express as Force x Displacement.

• The unit of power is the Joule.

The following statements on Law of Conservation of Energy are TRUE except:

• It states that energy can neither be created nor destroyed.

• Energy can only be transformed or transferred from one form to another. 

• Energy is lost.

• Solar panel transforms solar energy to electrical energy.

The following are examples of a lever EXCEPT:

• wheelbarrow

• axe

• scissor

• hammer

What is the momentum of a bowling ball with mass 5kg and velocity 10m/s?

  

• 0.5kg⋅m/s

• 2kg⋅m/s

• 15kg⋅m/s

• 50kg⋅m/s