Force and Motion

Front

What is the definition of force?

Back

A force is a push or pull that can change the motion of an object.

Front

What are the two types of forces?

Back

The two types of forces are balanced forces and unbalanced forces.

Front

What happens when forces are balanced?

Back

When forces are balanced, they cancel each other out, and there is no change in motion.

Front

What happens when forces are unbalanced?

Back

When forces are unbalanced, they cause a change in motion, such as starting, stopping, or changing direction.

Front

What is an example of a push force?

Back

An example of a push force is pushing a door open.

Front

What is an example of a pull force?

Back

An example of a pull force is pulling a wagon.

Front

What tool can be used to measure time in a race?

Back

A stopwatch can be used to measure the time it takes to run a certain distance.

Front

What is the effect of friction on motion?

Back

Friction is a force that opposes motion, slowing down or stopping moving objects.

Front

How does mass affect the motion of an object?

Back

The greater the mass of an object, the more force is required to change its motion.

Front

What is inertia?

Back

Inertia is the tendency of an object to resist changes in its state of motion.