NW2 Review

Front

What does a graph representing constant speed look like?

Back

A straight line on a distance-time graph indicates constant speed.

Front

What does it mean if substances are initially cooler than their surrounding environment?

Back

It means that the temperature of the substances is lower than that of the environment.

Front

What is the definition of Net Force?

Back

The sum of all forces acting on an object, taking into account their direction.

Front

What happens to the forces acting on an object if it is stationary?

Back

The forces are balanced, meaning they cancel each other out.

Front

What is an example of a balanced force?

Back

Two people pushing a car in opposite directions with equal force.

Front

What is acceleration?

Back

Acceleration is the rate of change of velocity of an object.

Front

What does a graph showing acceleration look like?

Back

A curve on a distance-time graph indicates acceleration.

Front

What is the difference between contact force and non-contact force?

Back

Contact force requires physical contact between objects, while non-contact force acts at a distance.

Front

What is an example of an unbalanced force?

Back

A soccer ball being kicked in one direction while another player pulls it in the opposite direction.

Front

What does it mean if an object is in motion?

Back

It means that the object is changing its position relative to a reference point.