Motion and Pressure

Question 1

What is the formula for calculating speed?

Answer 1

Speed = Distance / Time

Question 2

What is the relationship between force, moment, and distance?

Answer 2

Moment = Force x Distance

Question 3

What is the definition of pressure?

Answer 3

Pressure is defined as force per unit area.

Question 4

Multiple choice: Which of the following is not a state of matter? A) Solid B) Liquid C) Gas D) Energy

Answer 4

D) Energy

Question 5

True or False: The density of a substance is defined as its mass divided by its volume.

Answer 5

True

Question 6

What is the formula for calculating the moment of a force?

Answer 6

Moment = Force x Distance from pivot point

Question 7

Fill in the blank: The pressure exerted by a column of liquid is proportional to the ______ and the height of the column.

Answer 7

Density

Question 8

What is the formula for calculating pressure in a liquid?

Answer 8

Pressure = Density x Gravitational Acceleration x Height

Question 9

Multiple choice: Which state of matter has a definite shape? A) Solid B) Liquid C) Gas

Answer 9

A) Solid

Question 10

What happens to the pressure of a gas if its volume decreases while temperature remains constant?

Answer 10

The pressure increases.

Question 11

True or False: In a vacuum, there is no pressure.

Answer 11

True

Question 12

Fill in the blank: The point at which an object will rotate is called the ______.

Answer 12

Pivot point

Question 13

What is the term for the force that opposes the motion of an object?

Answer 13

Friction

Question 14

What is the unit of measurement for speed in the SI system?

Answer 14

Meters per second (m/s)

Question 15

True or False: The pressure in a gas can be measured using a barometer.

Answer 15

False

Question 16

Fill in the blank: The law of conservation of ______ states that energy cannot be created or destroyed.

Answer 16

Energy

Question 17

What is the effect of temperature on the pressure of a gas when volume is held constant?

Answer 17

Pressure increases with temperature.

Question 18

What is the formula for calculating the pressure exerted by a solid object?

Answer 18

Pressure = Force / Area

Question 19

Liquid Pressure

Answer 19

The pressure produced by collisions of particles in a liquid.

Question 20

Gas Pressure

Answer 20

The force exerted by air particles when they collide with a surface.

Question 21

Density

Answer 21

The mass of a material in a certain volume.

Question 22

Atmospheric Pressure

Answer 22

Pressure caused by the collisions of air molecules that produce a force on an area.