The diagram shows an enlarged drawing of the end of a metre rule being used to measure the length of a small feather.

A) 19 mm B) 29 mm C) 19 cm D) 29 cm

The diameter of a copper wire is thought to be approximately 0.3 mm. The instrument used to obtain a more accurate measurement of the diameter of the wire is a micrometer.

A) measuring tape B) metre rule C) micrometer D) ruler

Apparatus that could be used to determine the volume of a small block of unknown material includes a measuring cylinder and a metre rule.

A) measuring cylinder, metre rule B) measuring cylinder, stopwatch C) metre rule, balance D) metre rule, stopwatch

The diagram shows a measuring cylinder used to measure the volume of a small stone.

A) $$8 \, \text{cm}^3$$ B) $$9 \, \text{cm}^3$$ C) $$14 \, \text{cm}^3$$ D) $$26 \, \text{cm}^3$$

A student uses a measuring cylinder to measure the volume of a quantity of water. Which action would make her result less accurate?

A) Making sure her eye is level with the water surface B) Making sure the cylinder is vertical C) Reading the bottom of the meniscus D) Using the largest measuring cylinder possible

The diagram shows a measuring instrument.

A) Area B) Density C) Mass D) Volume

A geologist compares the volumes of three rocks, X, Y, and Z. Three measuring cylinders contain different volumes of water. He places each rock into one of the measuring cylinders.

The volumes of X, Y, and Z in order, from largest to smallest are: A) X, Z, Y; B) Y, X, Z; C) Y, Z, X; D) Z, Y, X.

The diagram shows four identical spheres placed between two wooden blocks on a ruler.

Diameter of one sphere options: A) 1.0 cm B) 2.0 cm C) 3.0 cm D) 4.0 cm

A cook wants to prepare some food to be cooked by 1.15 p.m. The oven needs to be switched on for 2 hours 10 minutes.

Time at which the oven needs to switch on options: A) 11.05 a.m. B) 11.25 a.m. C) 3.05 p.m. D) 3.25 p.m.

A student uses a measuring cylinder to measure the volume of some water. The top and bottom of the meniscus are labelled.

Volume of the water options: A) 47.0 cm^3 B) 47.5 cm^3 C) 49.0 cm^3 D) 49.5 cm^3

Diagram 1 shows a measuring cylinder containing water. Five identical steel balls are now lowered into the measuring cylinder. Diagram 2 shows the new water level in the cylinder.

Volume of each steel ball: A) 6 $$6$$ \, \text{cm}^3 B) 14 $$14$$ \, \text{cm}^3 C) 30 $$30$$ \, \text{cm}^3 D) 70 $$70$$ \, \text{cm}^3

A stopwatch is used to time a runner in a race. The diagrams show the stopwatch at the start and at the end of a lap of the race.

Time taken to finish the lap: A) 50.00 seconds B) 50.10 seconds C) 90.00 seconds D) 100.10 seconds

A student wishes to measure accurately the volume of approximately 40 $$40 \, \text{cm}^3$$ of water. She has two measuring cylinders, a larger one that can hold 100 $$100 \, \text{cm}^3$$ , and a smaller one that can hold 50 $$50 \, \text{cm}^3$$ . The water forms a meniscus where it touches the glass.

A. Larger one, bottom of meniscus B. Larger one, top of meniscus C. Smaller one, bottom of meniscus D. Smaller one, top of meniscus

A student uses a ruler to measure the length and the width of a small rectangular metal plate.

A. 14.0 cm^2 B. 14.7 cm^2 C. 16.0 cm^2 D. 16.8 cm^2

A cyclist rides round a track three times. Her friend uses a stopwatch to record the time at the start of the ride, after one circuit, and at the end of the three circuits. The readings from the stopwatch are shown.

A. 174 s B. 180 s C. 198 s D. 200 s

A student measures the length of a rod XY by holding it next to a metre rule. The student writes down the length as 94.8 cm.

A) The value is correct. B) The value is incorrect because it should be 95.2 cm. C) The value is incorrect because it should be in millimetres. D) The value is incorrect because the student should subtract the reading for end Y from the reading for end X.

A pendulum is set in motion and timed. The time measured for 20 complete swings is 30 s.

The time for one complete swing of the pendulum is 1.5 s.

A cylindrical can is rolled along a ruler. The can rolls over twice. What is the circumference (distance all round) of the can?

A) 13 cm B) 14 cm C) 26 cm D) 28 cm

A ruler is used to measure the length of an object. What is the length of the object?

A) 3.0 cm B) 4.0 cm C) 5.0 cm D) 6.5 cm

The empty container has a mass of 120g. When filled with the liquid, the total mass of the container and the liquid is 600g. The volume of liquid in the container is 600 $$cm^{3}$$ .

The density of the liquid is 0.80 g/cm^{3}.

The cuboid block is made from a metal of density 2.5 g/cm^{3}. $$2.5 g/cm^{3}$$

The mass of the block is 100 g.

A student wishes to determine the density of a solid block.

The mass of the block and the volume of the block are required.

Two cylinders are made of the same metal. Both cylinders have the same cross-sectional area but one is longer than the other.

The density is the same for both cylinders.

The mass of a piece of metal is 1200 g. A measuring cylinder contains 150 cm^{3} of water. The piece of metal is put into the measuring cylinder. The water level rises to $$250 cm^{3}$$ and covers the metal.

The density of the metal is 3.0 g/cm^{3}. $$g/cm^{3}$$

Density of a metal block with mass 1000 g and dimensions 2 cm x 5 cm x 10 cm

$$\frac{1000}{2 \times 5 \times 10}$$ g/cm^{3}

A person measures the length, width, height, and mass of a metal block with rectangular sides. Which measurements are needed to calculate the density of the metal?

length, width, height, and mass

The diagram shows the dimensions of a rectangular block of metal of mass m. Which expression is used to calculate the density of the metal?

$$\frac{m}{(p \times q \times r)}$$

A liquid has a volume of 100 \text{cm}^3 and a mass of 85 \text{g}. The density of water is 1.0 \text{g/cm}^3. How does the density of the liquid compare with the density of water?

A. Its density is higher than that of water. B. Its density is lower than that of water. C. Its density is the same as that of water. D. It is impossible to say with only this data.

The table gives the volumes and masses of four objects. Which object has the greatest density?

A. Mass: , Volume: B. Mass: , Volume: C. Mass: , Volume: D. Mass: , Volume:

Four rectangular blocks, P, Q, R, and S are shown. Each block is labeled with its size and its mass. Which two blocks have the same density?

A. P and Q B. P and R C. Q and R D. R and S

A student is given four different objects and a metre rule. Each object has a known mass. She is asked to determine the densities of the materials from which the four objects are made. The objects are a copper cylinder, a glass cube, a steel spanner, and a stone tile. Using only the metre rule, she is able to find the densities of only three of the four materials.

A) copper, glass and steel B) copper, glass and stone C) copper, steel and stone D) glass, steel and stone

A measuring cylinder has a mass of 120 g when empty. When it contains $$50 cm^3$$ of a liquid, the total mass of the measuring cylinder and the liquid is 160 g.

What is the density of the liquid? A) $$\dfrac{40}{50}$$ \, \text{g/cm}^3 B) $$\dfrac{50}{40}$$ \, \text{g/cm}^3 C) $$\dfrac{120}{50}$$ \, \text{g/cm}^3 D) $$\dfrac{160}{50}$$ \, \text{g/cm}^3

A measuring cylinder containing liquid is placed on a top-pan balance. The apparatus is left overnight and some of the liquid evaporates. What is the density of the liquid?

A. 0.875 g/cm^3 B. 1.14 g/cm^3 C. 1.40 g/cm^3 D. 1.42 g/cm^3

A liquid has a density of 0.80 g/cm^3. Which could be the volume and mass of this liquid?

A. Volume: , Mass: B. Volume: , Mass: C. Volume: , Mass: D. Volume: , Mass:

A stone has a volume of 0.50 cm^3 and a mass of 2.0 g. What is the density of the stone?

A. 0.25 g/cm^3 B. $$1.5 g/cm^3$$ C. $$2.5 g/cm^3$$ D. $$4.0 g/cm^3$$

A student is told to measure the density of a liquid and also of a large cube of metal. Sufficient equipment includes a balance, measuring cylinder and ruler.

A. balance, measuring cylinder and ruler

Experiment to determine the volume of a small, irregularly shaped stone with a labelled diagram.

Describe the experiment using a labelled diagram.

Resultant Force and Vector Quantities

Flashcard

•

Physics

•

9th Grade

•

Practice Problem

•

Hard

ALISON LI

FREE Resource

Student preview

53 questions

Show all answers

FLASHCARD QUESTION

Front

At one point in the rescue operation, breakdown vehicle A is exerting a force of 4000 N and breakdown vehicle B is exerting a force of 2000 N. Using a scale of 1 cm = 500 N, make a scale drawing to show the resultant force on the truck.

Back

Use your diagram to find the magnitude and direction of the resultant force on the truck.

FLASHCARD QUESTION

Front

The resultant force is an example of a vector quantity because it has both magnitude and direction.

Back

Vector quantities are defined by their ability to be represented by arrows, where the length represents the magnitude and the direction of the arrow indicates the direction of the force.

FLASHCARD QUESTION

Front

An example of a vector quantity that is not a force is velocity.

Back

Velocity is defined as the rate of change of position with respect to time and includes both speed and direction.

FLASHCARD QUESTION

Front

A student sets up the apparatus to find the resultant of the two tensions T_1 and T_2 acting at P. When the tensions T_1, T_2, and T_3 are balanced, the angles between T_1 and the vertical and T_2 and the vertical are as marked.

Back

In the space below, draw a scale diagram of the forces T_1 and T_2. Use the diagram to find the resultant of the two forces.

FLASHCARD QUESTION

Front

State the scale used.

Back

Scale = ........................................

FLASHCARD QUESTION

Front

State the value of the resultant.

Back

Value = ........................................

FLASHCARD QUESTION

Front

State the direction of the resultant.

Back

Direction = ........................................

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