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Questions and Answers
What type of quantity is force?
What type of quantity is force?
- Vector (correct)
- Scalar
- Variable
- Constant
Which force acts in the direction opposite to the motion of an object?
Which force acts in the direction opposite to the motion of an object?
- Tension
- Normal force
- Weight
- Friction (correct)
What happens when a pair of forces are balanced?
What happens when a pair of forces are balanced?
- The object maintains its state of motion (correct)
- The object's velocity decreases
- The object's weight increases
- The object accelerates
When you push your accelerator pedal in your car, what force does the pedal exert back on your foot?
When you push your accelerator pedal in your car, what force does the pedal exert back on your foot?
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What is weight?
What is weight?
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In mechanical equilibrium, the vector sum of the forces is zero because:
In mechanical equilibrium, the vector sum of the forces is zero because:
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An object in dynamic equilibrium:
An object in dynamic equilibrium:
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What distinguishes static equilibrium from dynamic equilibrium?
What distinguishes static equilibrium from dynamic equilibrium?
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Unbalanced forces cause a change in an object's state of motion by:
Unbalanced forces cause a change in an object's state of motion by:
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When an airplane is flying at a constant velocity, it is in equilibrium because:
When an airplane is flying at a constant velocity, it is in equilibrium because:
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