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The sharp pin penetrates easily because the force applied acts on smaller area than when the blunt pin is used.
chrispohmomanyi answered the question on September 24, 2017 at 07:43
- State any two properties of magnets.(Solved)
State any two properties of magnets.
Date posted: September 24, 2017. Answers (1)
- State any three magnetic materials(Solved)
State any three magnetic materials
Date posted: September 24, 2017. Answers (1)
- Describe a simple experiment on how to determine the focal length of the concave mirror.(Solved)
Describe a simple experiment on how to determine the focal length of the concave mirror.
Date posted: September 24, 2017. Answers (1)
- State one application of concave mirrors(Solved)
State one application of concave mirrors
Date posted: September 24, 2017. Answers (1)
- State two applications of parabolic mirrors.(Solved)
State two applications of parabolic mirrors.
Date posted: September 24, 2017. Answers (1)
- State three rays that are usually used to locate images in curved mirrors by ray construction.(Solved)
State three rays that are usually used to locate images in curved mirrors by ray construction.
Date posted: September 24, 2017. Answers (1)
- (a) List and describe the three states of equilibrium (b) State two applications of stability (Solved)
(a) List and describe the three states of equilibrium
(b) State two applications of stability
Date posted: September 23, 2017. Answers (1)
- In relation to clockwise and anticlockwise moments, state the law of moments. State the units of moments...(Solved)
In relation to clockwise and anticlockwise moments state the law of moments.
State the units of moments of a force.
Date posted: September 23, 2017. Answers (1)
- Calculate the weights of the following masses which were used in certain experiment. (Take g = 10m/s^2 )
...(Solved)
Calculate the weights of the following masses which were used in certain experiment. (Take g = 10m/s^2 )
a. 1.5 kg b. 0.25 kg c. 650g
Date posted: September 22, 2017. Answers (1)
- (a) State Newton’s first law of motion (b) Distinguish between heat capacity and specific heat capacity of a body(Solved)
(a) State Newton’s first law of motion
(b) Distinguish between heat capacity and specific heat capacity of a body
Date posted: September 21, 2017. Answers (1)
- Light travels through glass of of light in air = 3.0 x 108 m/s) refractive index 1.5 with a speed v. Calculate the value of...(Solved)
18.Light travels through glass of of light in air = 3.0 x 108 m/s) refractive index 1.5 with a speed v. Calculate the value of v
Date posted: September 21, 2017. Answers (1)
- State two factors that affect the rate of diffusion in fluids.(Solved)
State two factors that affect the rate of diffusion in fluids.
Date posted: September 21, 2017. Answers (1)
- What do you understand by the term sublimation.(Solved)
What do you understand by the term sublimation.
Date posted: September 21, 2017. Answers (1)
- State the kinetic theory of matter.(Solved)
State the kinetic theory of matter.
Date posted: September 21, 2017. Answers (1)
- State any two applications of pressure in fluids.(Solved)
State any two applications of pressure in fluids.
Date posted: September 21, 2017. Answers (1)
- Define atmospheric pressure(Solved)
Define atmospheric pressure
Date posted: September 21, 2017. Answers (1)
- State the law of transmission of pressure in fluids.(Solved)
State the law of transmission of pressure in fluids.
Date posted: September 21, 2017. Answers (1)
- Define a resultant vector.(Solved)
Define a resultant vector.
Date posted: September 21, 2017. Answers (1)
- Define weight and state its SI unit.(Solved)
Define weight and state its SI unit.
Date posted: September 21, 2017. Answers (1)
- State the difference between scalar and vector quantities. (Solved)
State the difference between scalar and vector quantities.
Date posted: September 21, 2017. Answers (1)