1) What is a scalar quantity? a)  It is a quantity with both magnitude and direction b) It is a quantity with magnitude only c) It is a quantity with direction only d) It is a quantity that always has a scale 2) One of the following is a scalar quantity, which one is it? a) Speed b) Velocity c) Acceleration d) Force  3) Explain why 5Kg is a scalar quantity? a) Because mass is measured using a beam balance. b) Because it is a mass c) Because it is a direction without magnitude. d) Because it is a magnitude without direction. 4) Which scalar quantity applies as the Earth is seen orbiting the sun with uniform acceleration? a) Centripetal acceleration b) Mass of Earth c) Speed d) Centripetal force 5) A car moving at a velocity of 27.8m/s with an acceleration of 0.02m/s2 covers 50Km due East in 30 minutes. Identify the scalar quantity. a) 30 min b) 27.8m/s c) 0.02m/s2 d) 50Km due east 6) Explain the meaning of a vector quantity. a) It is a quantity which is a resultant of two vectors. b) It is a quantity with direction only. c) It is a quantity with with magnitude only. d) It is a quantity with both magnitude and direction. 7) Which one of the following is not a vector quantity? a) Weight b) Mass c) Centripetal acceleration d) Displacement 8) A train is moving at a speed of 80Km/hr towards the North. State the vector quantity.  a) 80 b) North c) 80Km/hr due north d) 80 Km/hr 9) Why is a vector quantity important? a) Because it gives direction of a particular physical quantities. b) Because during a war soldiers need to determine the target of attack. c) Because it gives magnitude of a particular quantity. d) Because it has both magnitude and direction. 10) What three things make up a vector quantity? a) A number and unit b) A value and direction. c) A unit and direction. d) A number, unit and direction

1.Describe what scalar and vector quantities are

Afdrukken
Embedden

Scorebord

Visuele stijl

Opties

Template wisselen

Automatisch opgeslagen activiteit "" herstellen?