12/10 Review

Front

What is gravity?

Back

Gravity is a force that attracts two bodies toward each other, keeping planets in orbit around the sun.

Front

What happens to planets if the sun's gravitational force disappears?

Back

The planets will fly away in straight lines.

Front

What is the unit of measurement for force?

Back

The unit of measurement for force is Newtons.

Front

What can cause a moving object to change direction?

Back

A force can cause a moving object to change direction.

Front

What is inertia?

Back

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

Front

What is the relationship between mass and gravity?

Back

The greater the mass of an object, the stronger its gravitational pull.

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object, while weight is the force of gravity acting on that mass.

Front

What is an orbit?

Back

An orbit is the curved path of an object around a star, planet, or moon due to gravitational forces.

Front

What is acceleration?

Back

Acceleration is the rate of change of velocity of an object.

Front

What is the role of the sun in the solar system?

Back

The sun's gravitational force keeps the planets and other celestial bodies in orbit.