3. An experiment was carried out to investigate the relationship between a forceIn physics, a force is any influence that causes a free body... acting on a body of a constant mass and its acceleration. The results are recorded in the table shown below.
ForceIn physics, a force is any influence that causes a free body... (N) 0.5 1.0 1.25 1.5 2.0
Acceleration (m/s2)
((m/s2 0.5 1.5 2.0 2.5 3.5
a. Plot a graphGraph is a visual representation of the relations between ce... More of forceIn physics, a force is any influence that causes a free body... against acceleration
b. State the equation relating forceIn physics, a force is any influence that causes a free body..., mass and acceleration,
c. From the graphGraph is a visual representation of the relations between ce... More, find the forceIn physics, a force is any influence that causes a free body... applied to a body when the acceleration Is 0 m/s2. Explain why it was necessary to apply this forceIn physics, a force is any influence that causes a free body....
4. A crate of mass 300kg is raised by an electric motor through a height of 60m in 45s. Assuming g=10m/s2. Calculate:
a. the weight of the crate.
b. the workWork is The transfer of energy from one physical system to a... More done by the motor.
c. the useful powerPower in physics is the rate of doing work; measured in watt... of the motor.
5. Why does a mercury-in-glass thermometer have
a. a narrow capillary tube?
b. A bulbBulb is the lower part of a liquid-in-glass thermometer whi... of very thin glass?
c. Give two advantage of a thermocouple thermometer compared with a mercury thermometer for measuring temperature.
6. Figure 1 shows a vertical object and the image of that object as formed by a converging lens.
'Figure 1 (https://knowledgebase.centreforelites.com/physics-pastpaper-2000-paper-2-by-ecz/)
a. Give one description of the Image.
b. Determine the focal length of the lens.
c. Figure 2 shows the same object of the lens.
On the diagram, draw ray paths to enable you to determine the position and size of the new image.
Measure the distance of this image from the lens and size of the image.
1. (a). Define density of a substance.
(b) Describe an experiment to de ermine density of an irregular object which floats on water.
(c) A Tin containing 5000cm3 of paint has a mass of 7.0kg. If the mass of an empty tin is 0.5kg. calculate
i. the mass of paint
ii. density of paint
You are welcome to ask questions or answer them in this forum. You can also visit the forum to explore the exam types of problems in physicsPhysics (from Greek: physis "nature") is a natural science ....
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Bulb is the lower part of a liquid-in-glass thermometer whi... of very thin glass?
c. Give two advantage of a thermocouple thermometer compared with a mercury thermometer for measuring temperature.
