Chapter 11 Review

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object and remains constant regardless of location, while weight is the force exerted by gravity on that mass and can change depending on the gravitational field.

Front

If an object has a mass of 18 grams on Earth, what will its mass be on the Moon?

Back

The mass will still be 18 grams on the Moon.

Front

What is velocity?

Back

Velocity is the speed of an object in a specific direction.

Front

What evidence indicates that an unbalanced force is acting on an object?

Back

The motion of the object is changing.

Front

How does gravity affect weight?

Back

Weight is directly affected by gravity; as gravity increases, weight increases, and as gravity decreases, weight decreases.

Front

What happens to the weight of an object as it moves from Earth to the Moon?

Back

The weight decreases because the gravitational force on the Moon is less than that on Earth.

Front

What is the formula for calculating weight?

Back

Weight = mass × gravitational acceleration (W = m × g).

Front

What is gravitational acceleration on Earth?

Back

Gravitational acceleration on Earth is approximately 9.81 m/s².

Front

What is the relationship between mass and inertia?

Back

Inertia is the resistance of an object to change its state of motion, and it is directly proportional to the mass of the object.

Front

How does the concept of unbalanced forces relate to motion?

Back

Unbalanced forces cause an object to accelerate, change direction, or change speed.