Exam Questions With Complete
Solutions.
Vector - Answer A quantity that has magnitude and direction
Newton's First Law of Motion - Answer An object in motion will remain in motion unless acted upon by
another force
Newton's Second Law of Motion - Answer The acceleration of an object depends on the mass of the
object and the amount of force applied.
Newton's Third Law of Motion - Answer For every action there is an equal and opposite reaction
Speed - Answer The distance an object travels per unit of time
Velocity - Answer The distance an object travels per unit of time in a given direction
Equilibrium - Answer A state where all the forces acting on an object are in balance
Friction - Answer A force that opposes motion between two surfaces that are in contact
Terminal Velocity - Answer The velocity at which the forces of friction and weight are equal
Tension - Answer The force in a stretched object
Weight - Answer The force of gravity on an object
, Displacement - Answer The distance traveled in a given direction
Distance - Answer The length of a path between two points
Scalar - Answer A physical quantity that has magnitude only.
Magnitude - Answer The size of a quantity
Scale Diagram - Answer
Driving Force - Answer The force that makes an object move
Resultant Force - Answer The overall effect of all the forces on an object.
Free-Body Force Diagram - Answer A diagram showing all the forces acting on an object
Moment - Answer The turning effect of a force
Load - Answer The weight of an object
Effort - Answer The force applied to the load
Force Multiplier - Answer A lever where the load is bigger than the effort.
Pivot - Answer The point of rotation
Moment Equation - Answer = Force × Perpendicular Distance