Motion And Forces

Question 0

A location to which another location is compared.

Answer 0

Reference point

Question 1

An object’s location.

Answer 1

Position

Question 2

A change of position over time.

Answer 2

Motion

Question 3

A measure of how fast something moves through a particular distance over a definite time period.

Answer 3

Speed

Question 4

A speed in a specific direction.

Answer 4

Velocity

Question 5

A quantity that has both size and direction.

Answer 5

Vector

Question 6

The rate at which velocity changes over time.

Answer 6

Acceleration

Question 7

A push or pull; something that changes the motion of an object.

Answer 7

Force

Question 8

The overall force acting on an object when all of the forces acting on it are combined.

Answer 8

Net force

Question 9

A scientific law stating that objects at rest remain at rest, and objects in motion remain in motion with the same velocity, unless acted on by an unbalanced force.

Answer 9

Newton’s first law

Question 10

The resistance of an object to a change in the speed or the direction of its motion.

Answer 10

Inertia

Question 11

A scientific law stating that the acceleration of an object increases with increased force and decreases with increased mass.

Answer 11

Newton’s second law

Question 12

Any force that keeps an object moving in a circle.

Answer 12

Centripetal force

Question 13

A scientific law stating that every time one object exerts a force on another object, the second object exerts a force that is equal in size and opposite in direction back on the first object.

Answer 13

Newton’s third law