Theory

CH3 - FORCES AND PRESSURE

The pressure of a fixed mass of gas in a cylinder is measured. The volume of the gas in the cylinder is then slowly decreased. The temperature of the ...

2011 Winter

3

Theory

CH3 - FORCES AND PRESSURE

The diagrams show two mercury barometers standing side by side. The right-hand diagram shows a tube of bigger diameter, but the diagram is incomplete....

2009 Summer

2

Theory

CH3 - FORCES AND PRESSURE

(a) State the two conditions required for the equilibrium of a body acted upon by a number of forces.1. .................................................

2011 Winter

2

Theory

CH3 - FORCES AND PRESSURE

A student fills two containers with water (density 1.0 g/cm^3) and two with oil (density 0.8 g/cm^3), as shown in the diagrams.In which container is t...

2009 Summer

3

Theory

CH3 - FORCES AND PRESSURE

What is a simple mercury barometer designed to measure?A. the pressure beneath a liquidB. the pressure of a gas supplyC. the pressure of car tyresD. t...

2010 Winter

2

Theory

CH3 - FORCES AND PRESSURE

A water manometer is used to measure the pressure of a gas supply. When it is attached to the gas supply, the water falls on the left side and rise...

2011 Winter

2

Theory

CH3 - FORCES AND PRESSURE

The molecules of a substance become more closely packed and move more quickly.What is happening to the substance?A A gas is being heated and compresse...

2012 Summer

4

Theory

CH3 - FORCES AND PRESSURE

(a) Complete Fig. 4.1 to show a simple mercury barometer. Insert the correct labels in the boxes. Label with the letter $h$ the measurement required t...

2011 Winter

2

Theory

CH3 - FORCES AND PRESSURE

Liquid X has a density of 1010 kg/m^3. Liquid Y has a density of 950 kg/m^3.The liquids are poured into tubes as shown.Which tube has the greatest pre...

2010 Winter

3

Theory

CH3 - FORCES AND PRESSURE

A chair is placed on protective cups to prevent damage to the carpet underneath it. How do the cups change the area of contact with the carpet and the...

2011 Winter

3

Theory

CH1 - MEASUREMENTS AND UNITS

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 on...

2015 Summer

Theory

CH2 - FORCES AND MOTION

A car moves with constant speed and then constant acceleration.Which graph is the speed-time graph for the car?[Image_1: Graphs A, B, C, D]

2015 Summer

Theory

CH2 - FORCES AND MOTION

A car travels 100 km. The journey takes two hours. The highest speed of the car is 80 km/h, and the lowest speed is 40 km/h. What is the average spee...

2015 Summer

Theory

CH2 - FORCES AND MOTION

Diagram 1 shows a piece of foam rubber that contains many pockets of air. Diagram 2 shows the same piece of foam rubber after it has been compressed s...

2015 Summer

Theory

CH1 - MEASUREMENTS AND UNITS

A metal block has the dimensions shown. Its mass is 1000 g.What is the density of the metal?A $\left(\frac{5 \times 10}{1000 \times 2}\right)$ g/cm$^3...

2015 Summer

Theory

CH3 - FORCES AND PRESSURE

Four objects are each acted on by only two forces, as shown.Which object is in equilibrium?

2015 Summer

Theory

CH3 - FORCES AND PRESSURE

A student measures the length of a spring. She then hangs different weights from the spring. She measures the length of the spring for each different ...

2015 Summer

Theory

CH4 - FORCES AND ENERGY

Which energy resource is used to generate electricity without using any moving parts?A. geothermalB. hydroelectricC. nuclearD. solar

2015 Summer

Theory

CH4 - FORCES AND ENERGY

A cyclist travels down a hill from rest at point X, without pedalling.The cyclist applies his brakes and the cycle stops at point Y.Which energy chang...

2015 Summer

1

Theory

CH3 - FORCES AND PRESSURE

The diagram shows a simple mercury barometer.Which height is used as a measurement of atmospheric pressure?

2015 Summer