Motion, forces and energy — IGCSE Sciences - Co-Ordinated (0654) questions by topic

A train travels between two stations X and Y. Fig. 6.1 shows a speed-time graph for the journey (speed m/s 0-30 against time / s 0-1200; X at start, Y at end). State the time…

Fig. 9.1 shows four forces acting on a submarine. The submarine is moving underwater from right to left. A points up, C points down, B points right (backward), D points left…

A farmer drives his tractor in a field. Fig. 6.1 shows the forces J, K, L and M acting on the tractor as it accelerates towards the right. J points up, L points down, K points…

A farmer drives his tractor in a field. Fig. 6.1 shows the forces J, K, L and M acting on the tractor as it accelerates towards the right. J points up, L points down, K points…

Fig. 9.1 shows a skydiver before the parachute opens. An air resistance force of 760 N acts upwards and a force Q acts downwards. The skydiver has a mass of 84 kg. State the name…

Fig. 3.1 shows a sea turtle. On Fig. 3.1, draw an arrow to show the direction of the weight force acting on the sea turtle. Label your arrow with the letter W.

Fig. 6.1 shows an electric pressure-washer being used to wash a car. The pressure-washer pumps water at a high pressure through a small nozzle. The cross-sectional area of the…

Electricity can be generated in different types of power stations. Table 12.1 gives information about six types (energy per kg of fuel / MJ, efficiency of transfer to electrical…

Fig. 3.1 shows a speed-time graph for a journey made by a car (speed m/s 0-14 against time / s 0-160; accelerates to 12 m/s in the first 40 s). Use Fig. 3.1 to determine the…

Fig. 6.1 shows a jellyfish. The jellyfish experiences an upwards force of 2.1 N from the water. The mass of the jellyfish is 0.15 kg. There are no horizontal forces acting on the…

A rock that travels through space and hits the Earth's surface is called a meteorite. Fig. 3.1 shows a speed-time graph for a meteorite as it travels through space, slows down…

Fig. 6.1 shows two horizontal forces acting on a truck as it moves forwards along a flat, level road: a forward force of 1500 N and a backward force of 1000 N. Calculate the…

The two boxes on the left contain the name of an energy resource. The four boxes on the right contain advantages or disadvantages of the energy resources. Draw two lines from each…

The two boxes on the left contain the name of an energy resource. The four boxes on the right contain advantages or disadvantages of the energy resources. Draw two lines from each…

A student investigates the properties of graphite. Fig. 3.1 shows a cylinder of graphite. The cylinder is 6.50 cm long and has a cross-sectional area of 0.300 cm^2. Show that the…

A car is moving at 9.0 m/s along a flat horizontal road. The driver applies the brakes, and the car slows down and stops. Fig. 12.1 shows a speed-time graph for the car as it…

Fig. 3.1 shows a wind turbine used to generate electricity. State one advantage of generating electricity using wind turbines.

Fig. 6.1 shows a car suspension system that uses four identical coil springs. The weight of the car causes compression in the springs; the length of each spring is reduced from…

Fig. 9.1 shows distance-time graphs for a car journey and a bicycle journey. The car and bicycle both start from the same point and travel in the same direction along the same…

Fig. 3.1 shows a skier standing on the snow. When she stands on the snow without her skis, she sinks into the snow. When she wears her skis, she can stand on the snow without…

Complete the sentences to describe the energy changes during the generation of electricity in a nuclear power station. Nuclear fission releases ............ energy which heats up…

The mass of the Sun is 1.97 × 10^30 kg. The average density of the Sun is 1410 kg / m3. Calculate the volume of the Sun.

A spacecraft carrying an astronaut travels 384 000 km from the Earth to the Moon in 78 hours. Calculate the average speed of the spacecraft in km / s.

An oil tanker is carrying petroleum, a non-renewable energy source. Identify the energy sources in Table 12.1 as renewable or non-renewable by placing a tick for each one (one…

A spacecraft carrying an astronaut travels 384 000 km from the Earth to the Moon in 78 hours. Calculate the average speed of the spacecraft in km / s.

An oil tanker is carrying petroleum, a non-renewable energy source. Identify the energy sources in Table 12.1 as renewable or non-renewable by placing a tick for each one (one…

An Olympic triathlon consists of a 1500 m swim, a 40 km cycle ride and a 10 km run. Fig. 3.1 shows an athlete swimming at constant speed, with forces A and B acting. Describe how…

Fig. 3.1 shows a pond skater on the surface of water. The pond skater has a mass of 0.25 g and is stationary on the water surface. g = 10 N/kg. Use the values (0 N, 0.0025 kg,…

Fig. 6.1 shows the average power output over a summer's day from a solar panel (power output/kW against time of day 04:00–20:00). State the time at which the power output of the…

Fig. 3.1 shows an iceberg floating in the sea. The density of the iceberg is 920 kg/m3 and the volume is 2 × 10⁵ m³. Calculate the mass of the iceberg.

Fig. 6.1 shows wind turbines used to generate electricity. Fig. 6.2 shows how the power output of one wind turbine changes with wind speed (power output/kW against wind…

Fig. 9.1 shows a butterfly resting on a leaf attached to a branch, with pivot point X, force F applied at the butterfly, distance 5.0 cm. State the name of the force labelled F.

Fig. 3.1 shows four forces, A, B, C and D, acting on a submarine travelling underwater at a constant depth and at constant speed. A points up, C points down, B points forward (in…

Fig. 3.1 shows a stationary car. Part of each tyre is in contact with the road. State the two quantities needed to calculate the pressure exerted by the car on the road.

Fig. 6.1 shows how the energy transfers in a television when 100 J of electrical energy are supplied: electrical 100 J input; thermal 30 J; light 65 J; sound (unknown). Calculate…

Fig. 9.1 shows four energy sources (geothermal, hydroelectric (HEP), nuclear, wind) and four descriptions (produces dangerous waste, unreliable, uses energy from falling water,…

Fig. 12.1 is a distance-time graph for two cyclists A and B who are racing for a distance of 1000 m (distance / m on the y-axis 0 to 1000, time / s on the x-axis 0 to 120).…

Nuclear power stations use nuclear fission to generate electricity. The nuclear fission of uranium releases thermal energy. The thermal energy produced is used to convert water…

Fig. 6.1 shows a bee collecting pollen from a flower. The maximum speed of a bee is 5.8 m / s. Calculate the maximum distance a bee can travel in 60 seconds.

Fig. 9.1 shows a simple d.c. motor with a coil of wire containing 100 turns. The current in the coil causes forces to act on the coil, which make it turn about its axis. Fig. 9.1…

Meteoroids are lumps of rock which travel through space. During its journey through space, a meteoroid travels at a constant speed of 25 000 m / s. Calculate the time taken for…