Forces and Motion Concepts

What is a force?

• A type of energy

• A push or a pull

• A kind of sound

• A bright light

When you push something, what does it do?

• It moves towards you.

• It moves away from you.

• It stays still.

• It gets smaller.

When you pull something, what does it do?

• It moves away from you.

• It moves towards you.

• It spins around.

• It gets bigger.

What two things do all forces have?

• Color and size

• Shape and weight

• Strength and direction

• Speed and sound

Which of these is an example of a weak force?

• Kicking a soccer ball very hard.

• Hitting a golf ball a short distance.

• Pushing a full wheelbarrow.

• Pulling a heavy suitcase.

Which of these is an example of a strong force?

• Lightly tapping a golf ball into a hole.

• Pushing an empty wheelbarrow.

• Hitting a golf ball really hard to send it far away.

• Pulling a light suitcase.

What happens when balanced forces act on an object?

• The object moves faster.

• The object changes direction.

• The object stays still or does not change its motion.

• The object breaks into pieces.

In a game of tug-of-war, if both teams pull with the exact same strength, what kind of forces are they using?

• Unbalanced forces

• Weak forces

• Balanced forces

• Strong forces

What happens when unbalanced forces act on an object?

• The object stays still.

• The object moves or changes its motion.

• The object gets lighter.

• The object disappears.

What is one way unbalanced forces can change an object's motion?

• Make it disappear.

• Make it heavier.

• Make it accelerate (move faster) or decelerate (slow down).

• Make it change color.