1. Explain why a ship made of iron floats in water. 2. State the Law of flotation. 3. Describe the mode of action of a hydrometer. 4. What is upthrust? State Archimedes’s principle. 5. When a body is totally immersed in a fluid its weight is found to be 4.5N, the weight of the liquid displaced is 2.5N. Find the weight of the body in air. 6. Given that weight of an object in air = 125N, apparent loss in weight = 50N. Determine the apparent weight of the body. FORCE 1. Define the term force and give its SI unit. 2. Mention four fundamental types of force that you know. 3. Define the following terms; i. Force of gravity ii. Strong nuclear force iii. Electromagnetic force 4. A body has a mass of 40kg. Find its weight.
1. Explain why a ship made of iron floats in water.2. State the
Law of flotation.3. Describe the mode of action of a hydrometer.4.
What is upthrust? State Archimedess principle.5. When a body is
totally immersed in a fluid its weight is found to be 4.5N, the
weight of the liquid displaced is 2.5N. Find the weight of the body
in air.6. Given that weight of an object in air = 125N, apparent
loss in weight = 50N. Determine the apparent weight of the
body.
FORCE1. Define the term force and give its SI unit.2. Mention
four fundamental types of force that you know.3. Define the
following terms;i. Force of gravityii. Strong nuclear forceiii.
Electromagnetic force4. A body has a mass of 40kg. Find its
weight.
