Question 1

Select an equation that relate momentum mass and speed

Accepted Answer

p = mv

Answer

v = pm

Answer

$\frac{m}{p}$ = v

Answer

m = pv

Question 2

Equation of Density

Accepted Answer

$\frac{m}{p}$

Answer

$\frac{m}{p}$

Answer

$\frac{m}{p}$

Answer

$\frac{m}{p}$

Question 3

What is the name of the character that porfessor Dani use in his exercises.

Accepted Answer

Ernesto

Answer

Juan

Answer

Bob

Answer

Carlos

Question 4

The equation of the average speed

Accepted Answer

Average speed= Total distance travelled/ Total time taken

Answer

Density = Mass/Volume

Answer

Any of the previous one

Answer

Speed = Volume/Distance

Question 5

Which one of the following could not be a unit of acceleration

Accepted Answer

$\frac{m}{p}$

Answer

$\frac{m}{p}$

Answer

$\frac{m}{p}$

Answer

$\frac{m}{p}$

Question 6

What is the formula of force

Accepted Answer

F=ma

Answer

m=a

Answer

$\frac{m}{p}$

Answer

f=m+a

Question 7

If an airplane crash if it's going to fall?

Accepted Answer

Yes

Answer

No

Answer

Maybe

Answer

Just the half

Question 8

If a man jump from a plane with a parachute the parachute will help him to survive?

Accepted Answer

No, if the parachutes fail but if it doesn't fail it will be yes

Answer

Just with a special brand

Answer

Maybe

Answer

No

Question 9

What is the formula of impulse

Accepted Answer

I=Ft I = F t

Answer

I = $\frac{I}{Ft}$

Answer

I = Ft

Answer

I = $\frac{I}{Ft}$

Question 10

What was the last topic we have seen on class

Accepted Answer

Power

Answer

Speed

Answer

Density

Answer

Force

Question 11

If I pull a big rock what is the name of the movement

Accepted Answer

Force

Answer

Power

Answer

Measuring

Answer

Density

Question 12

Which of the following statements is true according to Newton's second law of motion?

Accepted Answer

The acceleration of an object is directly proportional to the force acting on it and inversely proportional to its mass.

Answer

The speed of an object is constant if no net force acts on it.

Answer

For every action, there is an equal and opposite reaction.

Answer

An object at rest will stay at rest unless acted upon by a force.

Question 13

What does a joule measure?

Accepted Answer

Energy

Answer

Force

Answer

Mass

Answer

Power

Question 14

How many watts are in one kilowatt?

Accepted Answer

10

Answer

100000

Answer

1000

Answer

100

Question 15

How many watts are in one megawatt?

Accepted Answer

1000000

Answer

100

Answer

100000000

Answer

10

Question 16

How many watts are in one gigawatt?

Accepted Answer

1000000000

Answer

10

Answer

10000

Answer

1000000

Question 17

Which of the following is equivalent to one joule?

Accepted Answer

The energy used to lift a 1-kilogram object 1 meter against gravity.

Answer

The energy needed to heat 1 liter of water by 1 degree Celsius.

Answer

The energy required to move a 1-kilogram object at a speed of 1 meter per second.

Answer

The energy released by burning 1 gram of sugar.

Question 18

In which of the following scenarios is energy measured in joules?

Accepted Answer

All of the above.

Answer

A car traveling at a constant speed.

Answer

A light bulb consuming energy for one hour.

Answer

A block sliding down a frictionless ramp.

Question 19

Which of the following describes acceleration?

Accepted Answer

The change in speed over time.

Answer

The total distance divided by total time.

Answer

The force acting on an object.

Answer

The distance traveled in a straight line.

Question 20

Accepted Answer

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