Force Diagrams & Motion

Front

What is a force diagram?

Back

A force diagram is a visual representation that shows all the forces acting on an object, including their direction and magnitude.

Front

What does it mean when an object is accelerating?

Back

Acceleration refers to the rate of change of velocity of an object. It occurs when an object speeds up, slows down, or changes direction.

Front

What is the difference between speed and velocity?

Back

Speed is a scalar quantity that refers to how fast an object is moving, while velocity is a vector quantity that includes both speed and direction.

Front

What forces act on a cat sitting on a chair?

Back

The forces acting on the cat are gravity (downward) and the normal force from the chair (upward). These forces are balanced.

Front

What happens to an object in free fall?

Back

An object in free fall experiences only the force of gravity acting on it, causing it to accelerate downward at approximately 9.81 m/s².

Front

What is Newton's First Law of Motion?

Back

Newton's First Law states that an object at rest will stay at rest, and an object in motion will stay in motion at a constant velocity unless acted upon by a net external force.

Front

How can you determine the direction of motion from a force diagram?

Back

The direction of motion can be inferred from the net force acting on the object; the object will accelerate in the direction of the net force.

Front

What is the significance of the normal force in force diagrams?

Back

The normal force is the support force exerted by a surface perpendicular to the object resting on it, counteracting gravity.

Front

What does it mean for an object to be in equilibrium?

Back

An object is in equilibrium when the net force acting on it is zero, resulting in no acceleration.

Front

How does air resistance affect falling objects?

Back

Air resistance opposes the motion of falling objects, reducing their acceleration and terminal velocity.