Theory

CH2 - FORCES AND MOTION

The graph represents the movement of a body. [Image_1: Graph of speed (m/s) vs time (s)] How far has the body moved after 5s? A 2m B 10m C 25m D...

2009 Summer

Theory

CH2 - FORCES AND MOTION

A car travels 100 km. The highest speed of the car is 90 km/h, and the lowest speed is 30 km/h. The journey takes two hours.What is the average speed ...

2009 Summer

Theory

CH2 - FORCES AND MOTION

Which statement about the masses and weights of objects on the Earth is correct?A. A balance can only be used to compare weights, not masses.B. Heavy ...

2009 Summer

Theory

CH2 - FORCES AND MOTION

The table shows the weight in newtons of a 10 kg mass on each of four planets. [Table_1] | planet | weight of a 10 kg mass / N | |----------|----...

2009 Summer

Theory

CH2 - FORCES AND MOTION

Which property of an object cannot be changed by a force?A. its massB. its motionC. its shapeD. its size

2009 Summer

Theory

CH2 - FORCES AND MOTION

(a) Fig. 3.1 shows a skier descending a hillside. Fig. 3.2 shows the speed/time graph of his motion.(i) How can you tell that the acceleration of the ...

2009 Summer

Theory

CH2 - FORCES AND MOTION

(a) In an accident, a truck goes off the road and into a ditch. Two breakdown vehicles A and B are used to pull the truck out of the ditch, as shown i...

2009 Summer

Theory

CH2 - FORCES AND MOTION

A ball is thrown upwards.What effect does the force of gravity have on the ball?A. It produces a constant acceleration downwards.B. It produces a cons...

2009 Winter

Theory

CH2 - FORCES AND MOTION

A car accelerates from traffic lights. The graph shows the car’s speed plotted against time. How far does the car travel before it reaches a consta...

2009 Winter

Theory

CH2 - FORCES AND MOTION

Which property of a body can be measured in newtons?A densityB massC volumeD weight

2009 Winter

Theory

CH1 - MEASUREMENTS AND UNITS

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

2011 Summer

Theory

CH2 - FORCES AND MOTION

An object moves initially with constant speed and then with constant acceleration. Which graph shows this motion?

2011 Summer

Theory

CH6 - WAVES AND SOUNDS

A tennis player hits a ball hard and 0.40 s later hears the echo from a wall. The speed of sound in air is 330 m/s.How far away is the player from the...

2011 Summer

Theory

CH2 - FORCES AND MOTION

Which statement about mass and weight is correct?A. Mass and weight are both forces.B. Neither mass nor weight is a force.C. Only mass is a force.D. O...

2011 Summer

Theory

CH3 - FORCES AND PRESSURE

The diagram shows a balance being used to find the weight of a baby. The weight of the basket can be ignored.At equilibrium, the pivot is nearer to th...

2011 Summer

Theory

CH1 - MEASUREMENTS AND UNITS

A cube of side 2.0 cm is placed on a balance. What is the density of the cube? A. 0.90 g/cm³ B. 1.2 g/cm³ C. 1.8 g/cm³ D. 3.6 g/cm³

2011 Summer

Theory

CH3 - FORCES AND PRESSURE

Objects with different masses are hung on a spring. The diagram shows how much the spring stretches.The extension of the spring is directly proportion...

2011 Summer

Theory

CH4 - FORCES AND ENERGY

Which row gives an example of the stated form of energy?[Table_1]form of energy | exampleA gravitational | the energy due to the movement of a train a...

2011 Summer

Theory

CH4 - FORCES AND ENERGY

Which energy resource is used to generate electricity by first boiling water? A. hydroelectric B. nuclear fission C. tides D. waves

2011 Summer

Theory

CH4 - FORCES AND ENERGY

Two farmers use an electrically powered elevator to lift bales of hay. All the bales of hay have the same mass. As sunset approaches, they increase...

2011 Summer