Force and Motion

Question 1

Speed

Answer 1

How fast something moves over a period of time (distance per time).

Question 2

Velocity

Answer 2

Speed in a certain direction.

Question 3

Friction

Answer 3

Resistance one surface encounters rubbing against another (does not change for give situation). Think brakes on a car or rough surfaces.

Question 4

Thrust

Answer 4

The force which makes an object move.

Question 5

Gravity

Answer 5

the force pulling two objects together (like the earth’s pull on an object, i.e. a falling person or the moon

Question 6

Lift

Answer 6

Force that directly opposes the weight (gravity)

Question 7

Drag

Answer 7

Force opposite of the objects motion increases as the object goes faster.

Question 8

Buoyancy

Answer 8

A force that causes an object to float.

Question 9

Inertia

Answer 9

What keeps an object at rest or moving in a straight line

Question 10

Acceleration

Answer 10

any change in speed or direction

Question 11

Weight

Answer 11

a measure of gravitational force that pulls on an object

Question 12

Mass

Answer 12

a measure of an object’s inertia

Question 13

Position

Answer 13

the location of an object

Question 14

If you increase force on an object, you probably also increase ______..

Answer 14

acceleration.

Question 15

Kinetic energy

Answer 15

Energy an object has because it is in motion

Question 16

Potential energy

Answer 16

The energy an object has because of its position relative to others

Question 17

Stored energy

Answer 17

Energy possessed by an object as a result of its position or condition rather than motion