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Constant acceleration is the resulting motion of forces acting on an unbalanced bicycle.
The applied forces on the bicycle would be balanced. The force applied by the rider in pedaling is equal and opposite to the forces of friction and air resistance acting on the bicycle. This results in a net force of zero, allowing the bicycle to move with constant velocity.
The key features of the Lambert bicycle model include the assumption of constant velocity, straight-line motion, and no external forces acting on the bicycle. The model also considers the effects of rolling resistance and air resistance on the motion of the bicycle.
combine the amounts of the forces acting on an object
If you're not speeding up, slowing down or turning - then forces are balanced.
The two forces acting to slow down a bicycle going downhill are frictional force, generated between the tires and the road surface, and air resistance, caused by the bike moving through the air. These forces oppose the bike's forward motion and contribute to decreasing its speed.
A couple acting on a body is a pair of equal and opposite forces that do not have a resultant force but do produce a turning effect or moment on the body. This can cause the body to rotate around its center of mass.
a car turning a corner
The total value of the frictional forces acting on the bike and its rider would be 400 N, which is equal in magnitude to the pedal force applied. This is necessary to balance the pedal force and maintain a constant speed when the bicycle is moving at a constant velocity.
A bicycle moving at a constant speed in a constant direction has no changes in its velocity or acceleration. It is a balanced state of motion where the bike maintains its speed and direction without any external forces acting on it.
The forces acting on a stationary boat in still water are gravity acting downwards, buoyancy acting upwards, and drag acting to oppose any external forces like wind or current. These forces are balanced when the boat is stationary.
Balanced forces acting on an object do not change the object's position.