free body diagrams

Front

What is a free body diagram?

Back

A graphical representation used to visualize the forces acting on an object.

Front

What does the normal force represent in a free body diagram?

Back

The force exerted by a surface to support the weight of an object resting on it, acting perpendicular to the surface.

Front

In which direction does the force of gravity act on an object?

Back

Straight down towards the center of the Earth.

Front

What is the role of frictional force in a free body diagram?

Back

It opposes the motion of an object and acts parallel to the surface of contact.

Front

What are paired forces?

Back

Forces that are equal in magnitude and opposite in direction, as described by Newton's third law of motion.

Front

How do you calculate net force when multiple forces are acting on an object?

Back

Net force is the vector sum of all individual forces acting on the object.

Front

What does it mean for forces to be balanced?

Back

When the net force acting on an object is zero, resulting in no change in motion.

Front

What is the significance of the direction of forces in a free body diagram?

Back

The direction indicates how the forces affect the motion of the object, determining acceleration and equilibrium.

Front

What is the formula for calculating weight?

Back

Weight (W) is calculated using the formula W = m * g, where m is mass and g is the acceleration due to gravity.

Front

What is the difference between static and kinetic friction?

Back

Static friction acts on an object at rest, preventing it from moving, while kinetic friction acts on an object in motion.