Standard Grade Physics

1
Standard Grade Physics

• Transport

2
To find the average speed of a car in a race, the
distance it covers and what other quantity is
required?

1. Length of the car
2. Time to cross the finish line
3. Time to cover the distance

3
How would you describe instantaneous speed?

1. Speed at one point
2. Speed over a large distance

4
Acceleration is defined as the rate at which the
speed of a vehicle increases. What is the unit
acceleration?

1. m / s
2. m2 / s
3. m / s2
4. ms2

5
A car takes 4s to increase its speed from 20m/s
to 32m/s. What is the cars acceleration?

1. 0.33 m/s2
2. 3 m/s2
3. 5 m/s2
4. 8 m/s2

6
A train accelerates from 8m/s to 16m/s at a rate
of 0.5m/s2. What is the time for this to take
place?

1. 0.03s
2. 0.5s
3. 1.9s
4. 16s

7
The speed/time graph for a car accelerating is
shown. What is its acceleration?

1. 0.44 m/s2
2. 0.67 m/s2
3. 1.5 m/s2
4. 2.25 m/s2

8
What is the distance travelled by the vehicle?

1. 40m
2. 80m
3. 110m
4. 160m

9
What is the weight of a 62Kg man on Earth
(g10N/kg)?

1. 0.16 N
2. 6.2 N
3. 72 N
4. 620 N

10
What is the gravitational field strength on the
moon if a 70kg astronaut weighs 112N?

1. 0.63 N/kg
2. 1.6 N/kg
3. 182 N/kg
4. 7840 N/kg

11
Which of the following situations would you want
to INCREASE friction?

1. Slowing a car down
2. Speed skiing
3. Swimming
4. Air hockey

12
Which of the following describes a method of
REDUCING friction?

• Rubbing surfaces harder together
• Making surfaces rougher
• Lubrication
• Increasing tread on tyres

13
What is the unbalanced force acting on the car?

1. 120N
2. 180N
3. 300N
4. 480N

14
What is the acceleration of the lorry if it has a
mass of 20,000kg?

1. 0.125 m/s2
2. 0.25 m/s2
3. 4 m/s2
4. 8 m/s2

15
What is the correct equation used to calculate
the work done (in Joules) by a force?

1. Energy x Distance
2. Force / Distance
3. Force x Distance
4. Energy / Distance

16
A mother pushes a pram with a force of 150N. How
far does she push it if she uses 1200J of energy?

1. 0.08m
2. 0.125m
3. 8.0m
4. 12.5m

17
If a 40kg boy climbs a 12m waterslide, how much
gravitational potential energy does he gain?

1. 3.0J
2. 33.3J
3. 480J
4. 4800J

18
A crane does 4000J of work in 20s. What is its
power output?

1. 5.0 x 10-3 W
2. 20W
3. 200W
4. 8.0 x 104 W

19
What is the main energy change that takes place
as a ball rolls down a hill?

• Kinetic to Potential
• Potential to heat
• Kinetic to sound
• Potential to kinetic

20
A stunt car drives off a cliff at a speed of
10m/s. The mass of the car is 1500kg and the
cliff is 15m high. What is the kinetic energy as
it hits the ground?

1. 7.5 x 103J
2. 7.5 x 104J
3. 2.25 x 105J
4. 3.0 x 105J

21
A 55kg boy on a 20kg bike moves at 6m/s when she
brakes and comes to rest in 3s. What is the power
of the brakes?

1. 225J
2. 337.5
3. 1350J
4. 2700J