Motion and Design Vocab Review

Imagine you're playing soccer and you kick the ball. What have you applied to the ball?

• Force that stops movement between the ball and the ground

• A detailed drawing or plan of the soccer field

• Energy of motion to the players

• A push or pull that can start or stop the ball's motion

Answer explanation

The correct choice is 'A push or pull that can start or stop the ball's motion' because when you kick the ball in soccer, you are applying a force to start or stop its motion.

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What does friction do when you try to slide a heavy box across a wooden floor?

• Helps the box to fly

• Stores energy in the box

• Stops the box from sliding easily

• Makes the box move faster

Answer explanation

Friction stops the box from sliding easily by creating resistance between the box and the wooden floor.

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What is the potential energy of a rock sitting at the edge of a cliff?

• Energy of motion

• A push or pull that can start or stop motion

• Stored energy that when released forms other energy

• Ability to move through the air with the least amount of air resistance

Answer explanation

The potential energy of a rock sitting at the edge of a cliff is stored energy that when released forms other energy.

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What is the kinetic energy of a moving car?

• Force that stops movement between the car and the road

• A detailed drawing or plan of the car

• Energy of the car in motion

• Force that opposes the forward movement of the car

Answer explanation

The kinetic energy of a moving car refers to the energy of the car in motion, making it the correct choice.

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What is drag on an airplane?

• The ability of the airplane to move through the air with the least amount of air resistance

• The force of friction as the airplane moves through the air

• A detailed drawing or plan of the airplane

• Stored energy in the airplane that when released forms other energy

Answer explanation

The correct answer is the force of friction as the airplane moves through the air, which is known as drag.

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How does aerodynamics affect the design of a commercial airplane?

• By ensuring the airplane can move through the air with the least amount of air resistance

• By focusing on the force of friction as the airplane moves through the air

• By considering the energy of motion of the airplane

• By aiming to make the best/safest airplane for the least amount of money

Answer explanation

Aerodynamics affects the design of a commercial airplane by ensuring the airplane can move through the air with the least amount of air resistance.

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What is air resistance when a paper airplane flies through the air?

• A detailed drawing or plan

• Stored energy that when released forms other energy

• A push or pull that can start or stop motion

• Force that opposes the forward movement of an object

Answer explanation

Air resistance is the force that opposes the forward movement of an object, such as a paper airplane flying through the air.

What is a blueprint in the context of constructing a building?

• Force that stops movement between two objects that are touching

• A detailed drawing or plan of a building before it is built

• A push or pull that can start or stop motion of construction materials

• Energy of motion during the construction process

Answer explanation

A blueprint in the context of constructing a building is a detailed drawing or plan of the building before it is built, providing a visual guide for the construction process.

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What does it mean for a car manufacturer to be cost effective?

• The force of friction as a car moves through the air

• The ability of a car to move through the air with the least amount of air resistance

• Force that opposes the forward movement of a car

• Making the best/safest car for the least amount of money

Answer explanation

Being cost-effective for a car manufacturer means producing the best and safest car while minimizing production costs.

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When you press the brake pedal in your car, which force is primarily responsible for slowing it down?

• Friction

• Aerodynamics

• Potential energy

• Kinetic energy

Answer explanation

When you press the brake pedal in your car, friction is primarily responsible for slowing it down by creating resistance between the brake pads and the wheels, converting kinetic energy into heat.