Forces and Motion

Front

What is friction?

Back

Friction is a force that opposes the motion of an object. It acts between surfaces in contact and can be static (not moving) or kinetic (moving).

Front

What is Newton's 1st Law of Motion?

Back

Newton's 1st Law of Motion 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

What is static friction?

Back

Static friction is the force that keeps an object at rest and prevents it from starting to move. It acts on objects that are not moving.

Front

What is an unbalanced force?

Back

An unbalanced force is a net force that is greater than zero, causing an object to accelerate or change its motion.

Front

What is a balanced force?

Back

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

Front

What is motion?

Back

Motion is the change in position of an object over time. It can be described in terms of speed, velocity, and acceleration.

Front

What is displacement?

Back

Displacement is the shortest distance from the initial to the final position of an object, along with the direction.

Front

What is kinetic friction?

Back

Kinetic friction is the force that opposes the motion of two surfaces sliding past each other.

Front

What is the relationship between force and acceleration?

Back

According to Newton's 2nd Law of Motion, the acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass (F=ma).

Front

What is inertia?

Back

Inertia is the tendency of an object to resist changes in its state of motion. It is directly related to the mass of the object.