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Home/Grade 1, 2, & 3 Physics: Free Trial*

G. 8 & 9

Physics

F. 1, 2, & 3

Hello , welcome to QuizTime @ Quantum Solverz!
  • This MCQ  is a great way to help you revise this topic.
  • You will get 10 random questions for 20 minutes each time you take the quiz. Good luck!

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Hello ! Welcome to KuizTime @ Quantum Solverz.

 

 

Kuiz Time Over!


G. 8 & 9 / F. 1, 2, & 3

Physics: Free Trial*

MCQs

Welcome to KuizTime @ Quantum Solverz.

1 / 10

1. A cyclist travels 900 metres in 1 minute. The speed in m/s is ...

Sorry, that is incorrect.

1 minute = 60 seconds

so speed = $\frac{900}{60}$ = 15 m/s

Correct!

1 minute = 60 seconds

so speed = $\frac{900}{60}$ = 15 m/s

2 / 10

2. A child walks 90 metres in 3 minutes. The speed in m/s is ...

Sorry, that is incorrect.

3 minutes = 180 seconds

so speed = $\frac{90m}{180s}$ = 0.5 m/s

Correct!

3 minutes = 180 seconds

so speed = $\frac{90m}{180s}$ = 0.5 m/s

3 / 10

3. A car travels 20 km in 12 minutes. The speed in km/h is ...

Sorry, that is incorrect.

12 minutes = $\frac{12}{60}$ = 0.2 hours

so $\frac{20km}{0.2h}$ = 100 km/h

Correct!

12 minutes = $\frac{12}{60}$ = 0.2 hours

so $\frac{20km}{0.2h}$ = 100 km/h

4 / 10

4. The dimensions of the base of a box are 80 cm by 100 cm. It weighs 400 N. What is the pressure on the ground?

Sorry, that is incorrect.

$80 cm = 0.8 m$, $100 cm = 1 m$,

area = $0.8 \times 1 = 0.8 m^{2}$,
so pressure = $\frac{400}{0.8} = 500 Pa$.

Correct!

$80 cm = 0.8 m$, $100 cm = 1 m$,

area = $0.8 \times 1 = 0.8 m^{2}$,
so pressure = $\frac{400}{0.8} = 500 Pa$.

5 / 10

5. If pressure is measured in pascals, Pa, and force in newtons, N, then area is measured in ...

Sorry, that is incorrect.

You always need to be careful about which units you use

Correct!

You always need to be careful about which units you use

6 / 10

6. If pressure increases, then ...

Sorry, that is incorrect.

This is because $pressure = \frac{force}{area}$

Correct!

This is because $pressure = \frac{force}{area}$

7 / 10

7. A sheet of metal in a factory weighs 60 N. Its dimensions are 2 m by 1 m. What is the pressure it puts on the ground?

Sorry, that is incorrect.

Area of metal sheet = $2m \times 1m = 2m^{2}$

so Pressure = $\frac{60}{2} = 30 Pa$

Correct!

Area of metal sheet = $2m \times 1m = 2m^{2}$

so Pressure = $\frac{60}{2} = 30 Pa$

8 / 10

8. A box weighs 100 N. The area of the box on the ground is 20 $m^{2}$. What is the pressure of the box on the ground?

Sorry, that is incorrect.

$pressure = \frac{force}{area} = \frac{100 N}{20 m^{2}} = 5 Pa$

Correct!

$pressure = \frac{force}{area} = \frac{100 N}{20 m^{2}} = 5 Pa$

9 / 10

9. Which type of energy is stored due to gravity?

Sorry, that is incorrect.

If you move an object from one shelf to a higher shelf, it will have more potential energy due to gravity

Correct!

If you move an object from one shelf to a higher shelf, it will have more potential energy due to gravity

10 / 10

10. What is the MAIN energy transfer when a light bulb is switched on?

Sorry, that is incorrect.

Heat energy is also produced but that is wasted

Correct!

Heat energy is also produced but that is wasted

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