N level Formula Quiz Level 1
Quiz by Jessica Lew
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- Q1
What is the formula for density?
mass/volume
mass x volume
volume/mass
60s - Q2
What is the formula for weight?
gravitational field strength/mass
mass x gravitational field strength
mass / gravitational field strength
60s - Q3
what is the formula for average speed?
total displacement/total time
total distance x total time
total distance/total time
total displacement x total time
60s - Q4
what is the formula for average velocity?
total displacement x total time
total displacement/total time
total distance/total time
total distance x total time
60s - Q5
What is the formula for acceleration?
(final velocity- initial velocity)/time
(final velocity- initial velocity) x time
time/(final velocity- initial velocity)
60s - Q6
How to calculate resultant force(newton's second law)?
resultant force = mass x acceleration
resultant force = mass / acceleration
resultant force = acceleration/mass
60s - Q7
How do you calculate moment?
force x any distance
force x distance moved in the direction of the force applied
force x perpendicular distance from force to pivot
60s - Q8
How do you calculate work done?
force x distance moved in the direction of the force applied
force x perpendicular distance from force to pivot
force x any distance
60s - Q9
How to calculate kinetic energy?
mass x g x height
0.5 x mass x speed
mass x g x (height)2
0.5 x mass x (speed)2
60s - Q10
How to calculate gravitational potential energy?
0.5 x mass x speed
0.5 x mass x (speed)2
mass x g x height
mass x g x (height)2
60s - Q11
How to calculate pressure exerted?
Pressure= Force x Area
Pressure= Force/Area
Pressure= Area/Force
60s - Q12
How to calculate efficiency ?
[useful energy converted/input energy] x 100%
[input energy/useful energy converted] x 100%
60s - Q13
How to calculate power?
Force/Area
Work Done(J)/ time taken(s)
Work Done(J)/ time taken(minutes)
Work Done(J)/ time taken(hours)
time taken(s)/Work done(J)
60s - Q14
Which of the following shows the wave equation?(Finding wave speed)
wave speed = frequency / wavelength
wave speed = frequency x wavelength
wave speed = wavelength/frequency
60s - Q15
How to calculate speed of sound(direct method, no reflection off wall)
speed = [2 x distance]/time
speed = time/distance
speed = distance/time
60s