Pressure over an area OALH
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Last updated almost 5 years ago
38 questions
1
Name the colour of light reflected by a yellow object.
Name the colour of light reflected by a yellow object.
1
Why does a white object appear white?
Why does a white object appear white?
1
What is the scientific name for the outer ear
What is the scientific name for the outer ear
1
Which piece of equipment is used to measure force?
Which piece of equipment is used to measure force?
1
What is the unit for area
What is the unit for area
1
Describe how light is detected by the eye
Describe how light is detected by the eye
1
What is pressure?
What is pressure?
1
what happens to pressure when force is spread over a large area?
what happens to pressure when force is spread over a large area?
1
what happens to pressure when force is concentrated in a small area?
what happens to pressure when force is concentrated in a small area?
1
Define “pressure”
Define “pressure”
1
State the units for pressure.
State the units for pressure.
1
State the equation for pressure.
State the equation for pressure.
1
How do you calculate area?
How do you calculate area?
1
How can you increase pressure?
How can you increase pressure?
1
Define “pressure”
Define “pressure”
1
State the units for pressure.
State the units for pressure.
1
State the equation for pressure.
State the equation for pressure.
1
How do you calculate area?
How do you calculate area?
1
How can you increase pressure?
How can you increase pressure?
1
A.Which of the following is the correct definition of pressure?
A.Which of the following is the correct definition of pressure?
1
B.The equation that links force, pressure and are is…
B.The equation that links force, pressure and are is…
1
C.You can increase pressure by…
C.You can increase pressure by…
1
A box full of clothes exerts a force of 30N and has an area on the bottom of 2m2. Calculate pressure.
A box full of clothes exerts a force of 30N and has an area on the bottom of 2m2. Calculate pressure.
1
A tank exerts a force of 100,000N with a pressure of 5000Pa. Calculate the area of the tank tracks
A tank exerts a force of 100,000N with a pressure of 5000Pa. Calculate the area of the tank tracks
1
A person leaning on a desk exerts a force of 20N over an area of 0.1m2. Calculate pressure.Spot the errorP = F x aP = 20 x 0.1P = 2N/m2
A person leaning on a desk exerts a force of 20N over an area of 0.1m2. Calculate pressure.
Spot the error
P = F x a
P = 20 x 0.1
P = 2N/m2
1
1. A force of 500 N acts over an area of 10 m2. Use the formula to calculate the pressure.
1. A force of 500 N acts over an area of 10 m2. Use the formula to calculate the pressure.
1
1. A hammer hits a nail with a force of 50 N into some wood. The area of the point of the nail is 0.02 cm2. What is the pressure the nail puts on the wood?
1. A hammer hits a nail with a force of 50 N into some wood. The area of the point of the nail is 0.02 cm2. What is the pressure the nail puts on the wood?
1
1. A girl has a weight of 450 N and her feet have a total area of 300 cm2. Calculate the pressure her feet put on the ground.
1. A girl has a weight of 450 N and her feet have a total area of 300 cm2. Calculate the pressure her feet put on the ground.
1
1. A car of weight 6,400 N has four wheels. Each wheel has an area of 80 cm2 touching the road. Find the pressure the car puts on the ground.
1. A car of weight 6,400 N has four wheels. Each wheel has an area of 80 cm2 touching the road. Find the pressure the car puts on the ground.
1
1. A woman weighs 650 N and wears high heels with a total area of 52 cm2. What is the pressure on the floor?
1. A woman weighs 650 N and wears high heels with a total area of 52 cm2. What is the pressure on the floor?
1
1. An elephant puts a force of 30,000 N on its four feet, which have a total area of 7,500 cm2. What is the pressure it puts on the ground?
1. An elephant puts a force of 30,000 N on its four feet, which have a total area of 7,500 cm2. What is the pressure it puts on the ground?
1
1. A student uses a glue stick with an area of 4 cm2, putting a pressure of 0.5 N/cm2 on her book. Calculate the force she puts on the glue stick.
1. A student uses a glue stick with an area of 4 cm2, putting a pressure of 0.5 N/cm2 on her book. Calculate the force she puts on the glue stick.
1
1. A box puts a pressure of 50 N/m2 on an area of 0.25 m2. Find the force of the box on the floor.
1. A box puts a pressure of 50 N/m2 on an area of 0.25 m2. Find the force of the box on the floor.
1
1. Calculate the area of a dart which hits the dartboard with a force of 10 N and pressure of 2000 N/cm2.
1. Calculate the area of a dart which hits the dartboard with a force of 10 N and pressure of 2000 N/cm2.
1
1.Give the equation to find force.
1.Give the equation to find force.
1
1.Give the equation to find pressure.
1.Give the equation to find pressure.
1
1.A water bottle placed on a desk has an area of 0.5m2with a pressure on the desk of 10N. Calculate the force.
1.A water bottle placed on a desk has an area of 0.5m2with a pressure on the desk of 10N. Calculate the force.
1
: A table weighs 1000N and has 4 legs, each with a surface area of 0.05m2
a) find the pressure the table exerts on the groundb) Find the pressure if 4 extra legs are added
: A table weighs 1000N and has 4 legs, each with a surface area of 0.05m2
a) find the pressure the table exerts on the ground
b) Find the pressure if 4 extra legs are added