Science

What are the SI units for Force, Energy and Pressure? (SPE/2011/Q18)

• A

• B

• C

• D

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Diagram below shows a block of metal with a round bottom base which was left on the floor on sides labeled A, B, C and D in turn. On which side, will the block of metal exert the highest pressure on the floor?

(SPE/2009/Q11)

• A

• B

• C

• D

Figure below shows a block of wood placed on soft sand, first in horizontal position 1, then in vertical position 2. Which of the following correctly compare the force and pressure at position 1 and 2?

(SPE/2013/Q16)

• A

• B

• C

• D

Figure below shows a block of wood placed on soft sand, first in horizontal position 1, then in vertical position 2. Which of the following correctly compare the force and pressure at position 1 and 2?

(SPE/2013/Q16)

• A

• B

• C

• D

Study the diagram below.

Why do high heel shoes damage the floor more than the sport shoes? (SPE/2016/Q21)

• High heel has smaller surface area and produce more pressure.

• High heel has smaller surface area and produce less pressure.

• High heel has larger surface area and produce more pressure.

• High heel has larger surface area and produce less pressure.

The diagram shows the actual sizes of the heels of four different shoes, as seen from underneath the shoes.

Which heel is likely to get the most damage if it is worn repeatedly? (SPE/2020/Q17)

• A

• B

• C

• D

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

NGSS.MS-PS2-1

NGSS.MS-PS2-2

An A-shaped object is placed in four different positions on a table. Which one of the positions above does the object exert the greatest amount of pressure in its resting surface?

(SPE/2018/Q21)

• A

• B

• C

• D

A brick weighing 25N is placed on the ground as shown in figure below. Which of the following calculations to find the pressure (in N/cm²) exerted by the brick on the ground is correct? (SPE/2011/Q19)

• 25/ (10 X 5)

• 25 / (20 X 10)

• (25 X 5) / 20

• (25 X 10) / 5

Which of the following wooden blocks exerts the greatest pressure on the ground?

(SPE/2014/Q17)

• A

• B

• C

• D

What is pressure?

• Pressure is the force per unit area

• Pressure is the mass per unit area

• Pressure is the mass per unit volume

• Pressure is the force per unit volume