Theory

CH4 - FORCES AND ENERGY

Electricity can be obtained from different energy resources.Which energy resource is used to obtain electricity without producing heat to boil water?A...

2009 Summer

Theory

CH4 - FORCES AND ENERGY

Four people of equal weight on a beach use different routes to get to the top of a sea wall. Which person produces the greatest average power?[Table_1...

2009 Summer

Theory

CH4 - FORCES AND ENERGY

A wind turbine has blades, which sweep out an area of diameter 25 m.(a) The wind is blowing directly towards the wind turbine at a speed of 12 m/s. At...

2009 Summer

Theory

CH4 - FORCES AND ENERGY

The diagram shows a microphone being used in an interview.Which energy change takes place in the microphone?[Table_1] | | input energy | output ene...

2009 Winter

Theory

CH4 - FORCES AND ENERGY

The table shows the times taken for four children to run up a set of stairs. Which child's power is greatest?[Table_1: mass of child / kg and time / s...

2009 Winter

Theory

CH4 - FORCES AND ENERGY

The table shows the times taken for four children to run up a set of stairs.Which child’s power is greatest?[Table_1]| | mass of child / kg | time /...

2009 Winter

Theory

CH4 - FORCES AND ENERGY

The diagram shows a microphone being used in an interview. Which energy change takes place in the microphone?input energyoutput energyA chemicalelectr...

2009 Winter

Theory

CH4 - FORCES AND ENERGY

A farmer uses an electric pump to raise water from a river in order to fill the irrigation channels that keep the soil in his fields moist.Every minut...

2009 Winter

Theory

CH4 - FORCES AND ENERGY

A farmer uses an electric pump to raise water from a river in order to fill the irrigation channels that keep the soil in his fields moist. Every m...

2009 Winter

Theory

CH4 - FORCES AND ENERGY

Energy is stored in a battery and in a box of matches. Which type of energy is stored in each of them?[Table_1]| | a battery | a box of matches ...

2010 Summer

MCQ

CH1 - MEASUREMENTS AND UNITS

What is the most accurate and precise method to measure the thickness of a coin?

2017 Summer

MCQ

CH2 - FORCES AND MOTION

On Earth, a ball is dropped and falls 2.0 m in a vacuum.The acceleration of the ball at 1.0 m is 10 m/s².What is the acceleration of the ball at 0.5 ...

2017 Summer

MCQ

CH2 - FORCES AND MOTION

A skydiver reaches terminal velocity. Then he opens his parachute.What happens to the skydiver as the parachute opens?

2017 Summer

MCQ

CH2 - FORCES AND MOTION

A piece of steel is taken from the Earth to the Moon for an experiment. The gravitational field strength on the Moon is smaller than on the Earth.Whic...

2017 Summer

MCQ

CH1 - MEASUREMENTS AND UNITS

A measuring cylinder containing only water is placed on an electronic balance. A small, irregularly shaped stone is now completely immersed in the wat...

2017 Summer

MCQ

CH2 - FORCES AND MOTION

A boat is travelling at a steady speed in a straight line across the surface of a lake. Which statement about the boat is correct?

2017 Summer

MCQ

CH2 - FORCES AND MOTION

A ball of weight 1.2 N drops through the air at terminal velocity.A sudden gust of wind exerts a horizontal force of 0.5 N on the ball from the left.W...

2017 Summer

MCQ

CH3 - FORCES AND PRESSURE

The diagram shows a uniform bridge, 4.0 m long and weighing 10 000 N.The bridge is pivoted at one end. A force at the other end gradually increases un...

2017 Summer

MCQ

CH2 - FORCES AND MOTION

A bullet of mass 0.10 kg travels horizontally at a speed of 600 m/s. It strikes a stationary wooden block of mass 1.90 kg resting on a frictionless, h...

2017 Summer

MCQ

CH4 - FORCES AND ENERGY

A box of mass $m$ slides down a slope of length $l$ and vertical height $d$ against a frictional force $F$.As the box slides down the slope, it loses ...

2017 Summer