4h grade force and motion

Front

What happens when two friends of equal weight sit on a seesaw?

Back

The seesaw will not move because the forces are balanced.

Front

What is the outcome when 28 students play tug-of-war against one teacher?

Back

The students will win because they are 28 people pulling on the rope, causing the force to be unbalanced.

Front

What is the term for movement in any direction?

Back

Motion.

Front

Which scenario best demonstrates the effect of friction?

Back

A ball rolling on a smooth surface and gradually slowing down.

Front

What force is being tested when a toy car rolls on different types of flooring?

Back

Friction.

Front

What is friction?

Back

Friction is a force that opposes the motion of an object.

Front

What is gravity?

Back

Gravity is the force that pulls objects toward the Earth.

Front

What is inertia?

Back

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

Front

What is the difference between balanced and unbalanced forces?

Back

Balanced forces do not change an object's motion, while unbalanced forces cause an object to move.

Front

What is speed?

Back

Speed is the distance an object travels in a certain amount of time.