SPH 4UReview of Your PhysicsName
- The slope of a velocity-time graph will give you
a)speedb)accelerationc)velocity
d)displacemente)position
- Calculate the total distance traveled during the trip (shown by the graph).
a)0 mb)525 mc)525 km
d)750 me)7.5 km
- A speedboat, travelling north, slows down from a speed of 25 m/s to 10 m/s in 5.0 s. Its average acceleration is
a)15 m/s2 northb)3.0 m/s2 northc)7.0 m/s2 south
d)15 m/s2 southe)3.0 m/s2 south
- Force is
a)a pushb)a pullc)a tug
d)a weighte)a push or pull
- Energy is a
a)form of workd)measure of force
b)unit of powere)field of force
c)potential to do work
- The weight of a 1.5 kg rock on the moon, where g = 1.6 N/kg, is approximately
a)0.25 Nb)14.7 Nc)2.4 Nd)2.4 kge)14.7 kg
- Which of these does not characterize a “mass”?
a)a forced)amount of matter
b)same anywhere in the universee)measured in kilograms
c)measured by a spring scale
- If the drive force on a 2000 kg car is 6500 N and there is 6600 N of drag, the acceleration of the car is, in m/s2
a)0.05b)-0.05c)3.3d)-3.3e)3.25
- A net force can cause a mass to
- slow downII.speed upIII.change direction
Which of the following can correctly complete the sentence?
a)I onlyd)I and II
b)II onlye)I, II and III
c)III only
- What type of energy change(s) from start to finish is happening in a battery-driven analog clock?
a)chemical into soundd)kinetic into chemical
b)sound into electrice)chemical into kinetic
c)chemical into electric
- A set of batteries storing 400 000 J of chemical energy are used to power a stereo that is rated at 20W. If the batteries are exhausted after 5 hours, what is the efficiency of the machine?
a)90%b)80%c)70%d)60%e)50%
- A ramp leading up to a loading platform is 3.0 m long and 1.0 m high at its highest point. If friction is ignored, what minimum force is needed to slide a 600 kg crate up the ramp? (g = 10 N/kg)
a)2.0 x 102 kgd)3.0 x 103 N
b)1.8 x 103 kge)6.0 x 103 N
c)2.0 x 103 N
- The basic principle of electromagnetism states that whenever
a)electrons move through a conductor, a magnetic field is created around the conductor
b)current is created, the fingers of the left hand indicate the magnetic field lines
c)a conductor moves through a magnetic field, a current is produced
d)a magnet is moved through an electrostatic field, a current is produced
e)an electric potential exists across a conductor, a magnetic field will be created
- A steady current of electricity is flowing from west to east through a horizontal copper wire. The N pole of the needle of a pocket compass placed on top of the wire will point toward the
a)south
b)north
c)west
d)east
e)centre of the Earth
- In which direction will the conductor experience a force if current flows in the direction shown?
a)to the rightd)down
b)to the lefte)won’t move at all
c)up
- A north pole is removed from a helix as shown in the diagram. Which pole will be induced at the left end of the coil and which way around the coil will the induced current flow between X & Y?
a)a north pole at the left and current flows from X to Y
b)a north pole at the left and current flows from Y to X
c)a south pole at the left and current flows from X to Y
d)a south pole at the left and current flows form Y to X
e)no pole will be induced and no current will flow
- The distance between successive identical parts of a wave is called its
a)wavelength d)amplitude
b)pitche)frequency
c)period
- The pitch of a sound is most closely related to the
a)wavelengthb)speedc)periodd)amplitudee)frequency
- The diagram to the right is an example of which wave behaviour?
a)diffraction
b)reflection
c)refraction
d)interference
e)resonance
- If a sound wave has a length of 1.3 m, and a frequency of 256 Hz, its speed will be about
a)333 m/sd)257.3 m/s
b)508 m/se)254.7 m/s
c)197 m/s
BONUS:
If the frequency of a single colour of light increases, then it can go from
a)blue to redd)orange to red
b)green to yellowe)yellow to violet
c)violet to blue
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