Force and Motion #4

Front

What is speed?

Back

Speed is the distance traveled per unit of time, typically measured in meters per second (m/s).

Front

How do you calculate speed?

Back

Speed = Distance ÷ Time. For example, if a car travels 30 meters in 5 seconds, its speed is 30 ÷ 5 = 6 m/s.

Front

What is force?

Back

Force is a push or pull on an object that can cause it to change its motion. It is measured in Newtons (N).

Front

What is motion?

Back

Motion is the change in position of an object over time.

Front

What is inertia?

Back

Inertia is the tendency of an object to resist changes in its state of motion. An object at rest stays at rest, and an object in motion stays in motion unless acted upon by a force.

Front

What is mass?

Back

Mass is the amount of matter in an object, usually measured in kilograms (kg).

Front

How does mass affect motion?

Back

The greater the mass of an object, the more force is needed to change its motion. A heavier object requires more force to accelerate than a lighter one.

Front

What is a constant force?

Back

A constant force is a force that does not change in magnitude or direction over time.

Front

What is acceleration?

Back

Acceleration is 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 relationship between force, mass, and acceleration?

Back

According to Newton's second law, Force = Mass × Acceleration (F = ma). This means that the acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass.