Newton's Laws Test Review

Front

What is Newton's First Law of Motion?

Back

An object at rest stays at rest, and an object in motion stays in motion unless acted upon by a net external force.

Front

Define 'tension force'.

Back

Tension force is the force transmitted through a string, rope, or wire when it is pulled tight by forces acting from opposite ends.

Front

What is the relationship between mass and acceleration according to Newton's Second Law?

Back

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 does it mean for forces to be balanced?

Back

Balanced forces occur when two forces acting on an object are equal in size but opposite in direction, resulting in no change in motion.

Front

What is the formula to calculate resultant force?

Back

Resultant force = Sum of all forces acting on an object.

Front

Define 'frictional force'.

Back

Frictional force is the force that opposes the motion of an object when it is in contact with another surface.

Front

What is Newton's Third Law of Motion?

Back

For every action, there is an equal and opposite reaction.

Front

How does mass affect acceleration when the same force is applied?

Back

The greater the mass of an object, the less acceleration it will have when the same force is applied.

Front

What is an example of an unbalanced force?

Back

If one team pulls harder than the other in a tug-of-war, the forces are unbalanced, causing the rope to move in the direction of the stronger force.

Front

What is the effect of air resistance on falling objects?

Back

Air resistance opposes the motion of falling objects, reducing their acceleration compared to free fall.