Theory

CH4 - FORCES AND ENERGY

A car of mass 900 kg is travelling at a steady speed of 30 m/s against a resistive force of 2000 N, as illustrated in Fig. 2.1.(a) Calculate the kinet...

2010 Summer

3

Theory

CH4 - FORCES AND ENERGY

A force $F$ moves a load from the bottom of a slope to the top. [Image_1: Diagram showing the slope with a force and labels r, p, q, and load.]The wor...

2011 Winter

3

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

2

Theory

CH4 - FORCES AND ENERGY

Which of these is designed to change electrical energy into kinetic energy?A. a capacitorB. a generatorC. a motorD. a transformer

2010 Winter

2

Theory

CH4 - FORCES AND ENERGY

(a) Energy from the Sun evaporates water from the sea. Some of this water eventually drives a hydroelectric power station. Give an account of the proc...

2011 Winter

2

Theory

CH4 - FORCES AND ENERGY

A car is driven on a long journey along a flat, horizontal road. The car stops several times on the journey and its engine becomes hot.Which type of e...

2010 Winter

2

Theory

CH4 - FORCES AND ENERGY

In which pair of energy sources are both sources renewable?A. oil and coalB. oil and tidalC. tidal and geothermalD. tidal and nuclear fission

2012 Summer

3

Theory

CH4 - FORCES AND ENERGY

Fig. 2.1 shows a conveyor belt transporting a package to a raised platform. The belt is driven by a motor.(a) State three types of energy, other than ...

2011 Summer

2

Theory

CH4 - FORCES AND ENERGY

Fig. 5.1 shows a model cable-car system. It is driven by an electric motor coupled to a gear system.The model cable-car has a mass of 5.0 kg and is li...

2010 Winter

2

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

2

MCQ

CH1 - MEASUREMENTS AND UNITS

A length of cotton is measured between two points on a ruler. When the length of cotton is wound closely around a pen, it goes round six times.What is...

2018 Summer

1

MCQ

CH2 - FORCES AND MOTION

When does an object falling vertically through the air reach terminal velocity?

2018 Summer

1

MCQ

CH2 - FORCES AND MOTION

A car is moving along a straight, level road, with a constant acceleration. Which graph shows the motion of the car?

2018 Summer

1

MCQ

CH2 - FORCES AND MOTION

Diagram 1 shows a beam balance. A beaker with a wire loop balances the standard masses.The beaker is then removed and hung from a spring. The spring e...

2018 Summer

1

MCQ

CH2 - FORCES AND MOTION

An object always has mass but does not always have weight.What must be present and acting on the mass for it to have weight?

2018 Summer

1

MCQ

CH2 - FORCES AND MOTION

A force acting on a moving ball causes its motion to change. This force stays constant.What makes the force produce a greater change in the motion of ...

2018 Summer

1

MCQ

CH3 - FORCES AND PRESSURE

A balloon and a mass are attached to a rod that is pivoted at P.The balloon is filled with helium, a gas less dense than air, so that it applies an up...

2018 Summer

1

MCQ

CH2 - FORCES AND MOTION

A car is moving in a straight line on a level road. Its engine provides a forward force on the car. A second force of equal size acts on the car due t...

2018 Summer

1

MCQ

CH2 - FORCES AND MOTION

Which expression gives the momentum of an object?

2018 Summer

2

MCQ

CH4 - FORCES AND ENERGY

As energy is transferred into different forms, it eventually becomes dissipated. What does this mean?

2018 Summer

1