10 Questions
What type of quantity is force?
Vector
Which force acts in the direction opposite to the motion of an object?
Friction
What happens when a pair of forces are balanced?
The object maintains its state of motion
When you push your accelerator pedal in your car, what force does the pedal exert back on your foot?
Reaction force
What is weight?
Force due to gravity
In mechanical equilibrium, the vector sum of the forces is zero because:
the forces are balanced and cancel each other out.
An object in dynamic equilibrium:
does not need a force to keep it moving.
What distinguishes static equilibrium from dynamic equilibrium?
Static equilibrium is for stationary objects, while dynamic equilibrium is for moving objects.
Unbalanced forces cause a change in an object's state of motion by:
resulting in a non-zero net force.
When an airplane is flying at a constant velocity, it is in equilibrium because:
the thrust of the propeller is equal in magnitude to the opposing air resistance.
Test your understanding of forces and their nature with this quiz on force pairs. Explore the concept of force as a vector quantity and how objects interact through pushes and pulls.
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