General Physics 1 Summative Test

Which of the following is an example of a scalar quantity?

• Velocity

• Force

• Temperature

• Acceleration

What do you call the method that is widely used for expressing large and small numbers?

• Scientific notation

• Standard notation

• Scientific method

• Standard method

Which of the following statements about mass and weight is TRUE?

• 1 kg = 1 000 g

• 10 kg < 10 000 g

• 2 kg = 1 500 g

• 0.1 kg = 100 g

The following are examples of random errors EXCEPT

• Weighing a baby that is shaking on a scale

• Electronic noise from an electrical device

• A weighing device that reads 1 kilo without something on it.

• stopwatch shows 100 seconds for an actual time of 99 seconds

Wednesday wants to determine the diameter of a head screw. What instrument is the most appropriate to use?

• Vernier caliper

• Ruler

• Micrometer

• None of the above

A high standard deviation indicates _______.

• the measurements are very similar.

• the measurements are widely spread out.

• the measurements are clustered around the mean.

• the measurements are all identical.

A milligram is:

• 10−9 kg

• 10−6 kg

• 10−3 kg

• 1 kg

A nanosecond is:

• 10 9

• 10−9 s

• 10−10 s

• 10 10 s

Which of the following sets of measurements are precise?

• 1.50 mm, 1.72 mm, 1. 09 mm, 1. 84 mm

• 0.9 cm, 0.95 cm, 0.80 cm, 0.63 cm

• 1.20 m, 1.02 m, 0.97 m, 1. 42 m

• 0.84 dm, 0.85 dm, 0.82 dm, 0.83 dm

What is 5.678 ×10-2 in standard form?

• 56.78

• 0.5678

• 0.05678

• 0.005678