Understanding Equilibrium

A car at rest is at equilibrium.
1. True
2. False
A car at equilibrium must be at rest.
1. True
2. False
A car at equilibrium must be moving.
1. True
2. False
A car at equilibrium could be moving.
1. True
2. False
At equilibrium an object has no forces acting on it.
1. True
2. False
At equilibrium there is a net force.
1. True
2. False
At equilibrium an object feels an acceleration.
1. True
2. False
A car is on a hill. The force of gravity down is equal to the force of friction up the hill. The car is at equilibrium.
1. True
2. False
A car is on a hill. The force of gravity down is equal to the force of friction up the hill. The car must be at rest.
1. True
2. False
A car is on a hill. The force of gravity down is equal to the force of friction up the hill. The car must be moving.
1. True
2. False
A car is at equilibrium. It must be speeding up.
1. True
2. False
An object is at equilibrium. It could be speeding up.
1. True
2. False
A rocket is firing its engines. It is at equilibrium.
1. True
2. False
A car is on a hill. The force of gravity down is equal to the force of friction up the hill. The car could be moving.
1. True
2. False
A car is on a hill. The force of gravity down is equal to the force of friction up the hill. The car could be at rest.
1. True
2. False
At the very top of its trajectory a projectile stops for an instant. The projectile is at equilibrium at this point.
1. True
2. False