Forces and Motion Review

Front

What is acceleration?

Back

Acceleration is the rate of change of velocity of an object. It occurs when an object speeds up, slows down, or changes direction.

Tags

NGSS.MS-PS2-2

Front

What is the relationship between force, mass, and acceleration?

Back

According to Newton's second law, force equals mass times acceleration (F = ma). This means that the greater the mass of an object, the more force is needed to accelerate it.

Tags

NGSS.MS-PS2-2

Front

What is buoyant force?

Back

Buoyant force is the upward force exerted by a fluid on a submerged object, which opposes the weight of the object.

Front

What is friction?

Back

Friction is a force that opposes the motion of an object. It occurs when two surfaces come into contact with each other.

Front

How does mass affect the force needed to move an object?

Back

The greater the mass of an object, the more force is required to move it. This is because heavier objects resist changes in motion more than lighter ones.

Tags

NGSS.MS-PS2-2

Front

What happens to an object in motion when no net force acts on it?

Back

An object in motion will continue to move at a constant velocity if no net force acts on it, according to Newton's first law of motion.

Front

What is inertia?

Back

Inertia is the tendency of an object to resist changes in its state of motion. The more mass an object has, the greater its inertia.

Tags

NGSS.MS-PS2-2

Front

What is the role of gravity in motion?

Back

Gravity is a force that pulls objects toward each other, affecting their motion. It causes objects to fall towards the Earth and influences the motion of planets.

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Front

What is the difference between speed and velocity?

Back

Speed is a scalar quantity that refers to how fast an object is moving, while velocity is a vector quantity that includes both speed and direction.

Front

What is the effect of increasing force on an object's motion?

Back

Increasing the force applied to an object will increase its acceleration, causing it to move faster.

Tags

NGSS.MS-PS2-2