Understanding Forces and Motion

Benjamin is trying to move a heavy box across the room. What is he applying to the box?

• A type of energy

• The rate at which an object performs work

• A push or a pull

• An object that makes up matter

Abigail is pushing a shopping cart at the grocery store. The force she applies to the cart is measured in:

• Newtons

• Joules

• Meters

• Meters per second

Hannah is pushing a shopping cart at the grocery store. What type of force is she applying to the cart?

• An applied force

• Friction

• A gravitational force

• An electric force

Harper is riding her bicycle down a hill. What type of force opposes her motion, causing her to slow down and eventually stop?

• An applied force

• Friction

• Magnetic force

• Electric force

Grace is pushing a heavy box across the floor. The force of friction exerted by the floor on the box depends on:

• The color of the floor

• The temperature of the room

• The smoothness of the floor

• The hardness of the floor

Noah and Scarlett are designing a model airplane. They notice that as the airplane moves through the air, it experiences a friction-like force that slows it down. This force is known as drag and is exerted by:

• Gases

• Liquids

• Solids

• Both a and b

Henry and James are racing their bicycles downhill. Which of the following statements is TRUE regarding the air resistance they experience?

• Henry, who is cycling faster, experiences more air resistance than James, who is cycling slower

• James, who is cycling slower, experiences more air resistance than Henry, who is cycling faster

• Henry's streamlined bicycle experiences more air resistance than James's blunt-shaped bicycle

• James's bicycle, with less surface area in contact with air, will experience more air resistance than Henry's bicycle with more surface area in contact with air

Hannah is sitting under a tree and notices leaves falling to the ground. Which force is responsible for causing the leaves to fall to Earth’s surface?

• Magnetic force

• Electric force

• Gravitational force

• Friction

Mason, Oliver, and Henry are discussing which objects exert gravity. Which object exerts gravity?

• Earth

• The moon

• A basketball

• All of the above

Kai and Liam are curious about what force keeps the Earth in orbit around the sun. What force is responsible for this?

• Friction

• Gravity

• Earth’s magnetic force

• The sun’s magnetic force