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6. Which of the following is a vector quantity?

  • Distance
  • Acceleration
  • Time
  • Speed

7. The extension per unit length produced by tensile or compressive forces:

  • Strain
  • Stress
  • Power

8. How many "suvat" equations of motion are there?

  • 3
  • 4
  • 2
  • 1

9. Describes a material that can easily be drawn into wires (e.g. copper):

  • Ductile
  • Brittle
  • Components

10. Define torque (Unit: N m):

  • A force that propels an object of mass 1kg to a speed of 1m per second.
  • The product of one of the forces of a couple and the perpendicular distance between them.
  • A pair of parallel forces equal in magnitude seperated by a distance.

11. Define inertia:

  • An object will remain at rest or in a state of constant motion unless acted upon by an external force.
  • The rate of change of an object's velocity.
  • The mass per unit volume of a material.

12. Define a vector quantity:

  • A vector quantity has both magnitude and direction.
  • A vector quantity has magnitude but no direction.

13. Describes a material that shows no plastic deformation and breaks beyond its elastic limit:

  • Density
  • Brittle
  • Ductile

14. Mass

  • A measure of the amount of matter within an object.
  • The force on an object caused by a gravitational field acting on it.
  • How much an object weighs.

15. Define work done (Unit: J):

  • The product of the force and the distance moved by the force in the direction of travel.
  • The breaking stress of a material.
  • The product of the power and the distance moved by the force in the direction of travel.

16. A term used to donate push or pull:

  • Uniform motion
  • Tensile
  • Speed

17. Define a scalar quantity:

  • A scalar quantity has magnitude but no direction.
  • A scalar quantity has both magnitude and direction.

18. The force acting per unit cross-sectional area:

  • Stress
  • Strain
  • Torque

19. The sum of clockwise ..... about a point is equal to the sum of anticlockwise ..... about the same point.

  • Moments
  • Couples
  • Strains
  • Inertias

20. A force that squeezes an object:

  • Equilibrium
  • Compressive
  • Tensile