Energy and Motion Multiple choice

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26 Questions

Which of the following best describes balanced forces?

Balanced forces keep an object at rest

Which of the following best defines kinetic energy?

The energy an object has due to its motion

What is the definition of motion?

A change in an object's position

What is the definition of force?

A push or pull

What is the definition of inertia?

The tendency of an object in motion to stay in motion or an object at rest to stay at rest

What is the definition of acceleration?

A change in velocity over time

What is the definition of speed?

How fast an object's position changes over time

What is the definition of friction?

A force between surfaces that slows objects or stops them from moving

What is the definition of potential energy?

The energy stored inside an object

Which of the following best describes unbalanced forces?

Unbalanced forces change an object's motion

Balanced forces keep an object at rest, while unbalanced forces change the object's motion.

True

Energy of motion refers to stationary objects.

False

Potential energy is the energy an object has due to its motion.

False

Contact force occurs when one object touches another.

True

Non-contact force occurs only when objects touch each other.

False

Velocity refers to the direction of an object's motion.

True

Motion refers to a change in an object's position.

True

Force can cause an object to start moving, speed up, slow down, stop, or change directions.

True

Inertia is the tendency of an object in motion to stay in motion or an object at rest to stay at rest.

True

Acceleration refers to a change in velocity over time.

True

Match the following terms with their definitions:

Velocity = The speed and direction of an object Force = A push or pull that can cause an object to start moving, speed up, slow down, stop or change directions Friction = A force between surfaces that slows objects or stops them from moving Energy = The ability to do work

Match the following types of forces with their descriptions:

Balanced forces = Forces act on an object without changing motion, object at rest Unbalanced forces = Change the motion of an object, affecting speed, direction or both Contact force = Occurs when one object touches another Non-contact force = Occurs without objects touching

Match the following types of energy with their definitions:

Kinetic energy = The energy an object has because it is in motion Potential energy = Energy stored inside an object; energy is not used

Match the following terms related to motion with their definitions:

Motion = A change in an object's position Inertia = The tendency of an object in motion to stay in motion or an object at rest to stay at rest Acceleration = When a moving object speeds up, slows down or changes direction Speed = How fast an object's position changes over time

Differences between energy of motion, kinetic energy, and potential energy.

Energy of motion refers to moving objects. Kinetic energy specifically refers to the energy an object has due to its motion. Potential energy is stored energy within an object or system, not currently being used.

What is the difference between balanced forces and unbalanced forces?

The main difference between balanced forces and unbalanced forces is that balanced forces result in no change in an object's motion, while unbalanced forces result in a change in an object's motion.

Test your knowledge on balanced and unbalanced forces, as well as different types of energy such as kinetic and potential energy. Learn the differences between these concepts and how they relate to an object's motion.

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