Demonstration of pressure in solids practice exercise 2

Study the image of a thumbtack and a coin pressed with equal force on wood. Which will leave a deeper mark and why?

Study the image below of a thumbtack and a coin pressed with equal force on wood. Which will leave a deeper mark and why?  (1mark)

Study the image below of a thumbtack and a coin pressed with equal force on wood. Which will leave a deeper mark and why?  (1mark)

Study the image below of a thumbtack and a coin pressed with equal force on wood. Which will leave a deeper mark and why?  (1mark)

Study the image below of a thumbtack and a coin pressed with equal force on wood. Which will leave a deeper mark and why?  (1mark)

Study the image below of a thumbtack and a coin pressed with equal force on wood. Which will leave a deeper mark and why?  (1 mark)

A block exerts a force of 50 N on an area of 5 m². What is the pressure?

A block exerts a force of 50 N on an area of 5 m². What is the pressure?  (1mark)

A block exerts a force of 50 N on an area of 5 m². What is the pressure?  (1mark)

The block below exerts a force of 50 N on an area of 5 m². What is the pressure?  (1 mark)

What is the SI unit of pressure?

What is the SI unit of pressure?  (1mark)

What is the SI unit of pressure?  (1 mark)

Which formula correctly defines pressure in solids?

Which formula correctly defines pressure in solids?  (1mark)

Which formula correctly defines pressure in solids?  (1mark)

Which formula correctly defines pressure in solids?  (1 mark)

Which formula correctly defines pressure in solids?  (1 mark)

Which formula correctly defines pressure in solids?  (1 mark)

A brick of weight 60 N rests on the floor with a contact area of 0.03 m2. What pressure does it exert on the floor?

A brick of weight 60 N rests on the floor with a contact area of 0.03 m2. What pressure does it exert on the floor?  (1mark)

A brick of weight 60 N rests on the floor with a contact area of 0.03 m2. What pressure does it exert on the floor?  (1mark)

A brick of weight 60 N rests on the floor with a contact area of 0.03 m2. What pressure does it exert on the floor?  (1 mark)

A metal block on a workshop bench in Nakuru exerts a pressure of 5,000 Pa on an area of 0.02 m2. What is the force the block applies on the bench?

A metal block on a workshop bench in Nakuru exerts a pressure of 5,000 Pa on an area of 0.02 m². What is the force the block applies on the bench?  (1mark)

A metal block on a workshop bench in Nakuru exerts a pressure of 5,000 Pa on an area of 0.02 m². What is the force the block applies on the bench?  (1mark)

A metal block on a workshop bench in Nakuru exerts a pressure of 5,000 Pa on an area of 0.02 m². What is the force the block applies on the bench?  (1 mark)

Study the simple diagram and choose the orientation that exerts greater pressure on the wooden desk for the same downward force. Desk (area of contact shown) Tip down Sideways Assume the same force acts in both cases.

Study the simple diagram below and choose the orientation that exerts greater pressure on the wooden desk for the same downward force. Desk (area of contact shown) Tip down Sideways Assume the same force acts in both cases.  (1mark)

Study the simple diagram below and choose the orientation that exerts greater pressure on the wooden desk for the same downward force. Desk (area of contact shown) Tip down Sideways Assume the same force acts in both cases.  (1mark)

Study the simple diagram below and choose the orientation that exerts greater pressure on the wooden desk for the same downward force. Assume the same force acts in both cases.  (1 mark) Desk (area of contact shown) Tip down Sideways

Study the simple diagram below and choose the orientation that exerts greater pressure on the wooden desk for the same downward force. Assume the same force acts in both cases.  (1 mark) Desk (area of contact shown) Tip down Sideways

In a classroom at a school in Kisumu, a balloon is placed on a flat desk and thick books are added one by one on top of it. What happens to the pressure on the balloon as more books (weight) are added while the area of contact remains the same?

In a classroom at a school in Kisumu, a balloon is placed on a flat desk and thick books are added one by one on top of it. What happens to the pressure on the balloon as more books (weight) are added while the area of contact remains the same?  (1mark)

In a classroom at a school in Kisumu, a balloon is placed on a flat desk and thick books are added one by one on top of it. What happens to the pressure on the balloon as more books (weight) are added while the area of contact remains the same?  (1mark)

In a classroom at a school in Kisumu, a balloon is placed on a flat desk and thick books are added one by one on top of it. What happens to the pressure on the balloon as more books (weight) are added while the area of contact remains the same?  (1 mark)

In a classroom at a school in Kisumu, a balloon is placed on a flat desk and thick books are added one by one on top of it. What happens to the pressure on the balloon as more books (weight) are added while the area of contact remains the same?  (1 mark)

Which statement correctly describes the SI unit of pressure used when demonstrating pressure in solids (e.g., with books and balloons)?

Which statement correctly describes the SI unit of pressure used when demonstrating pressure in solids? (1mark)

Which statement correctly describes the SI unit of pressure used when demonstrating pressure in solids? (1mark)

Which statement correctly describes the SI unit of pressure used when demonstrating pressure in solids? (1mark)

Which statement correctly describes the SI unit of pressure used when demonstrating pressure in solids? (1 mark)

For the same force, what happens to pressure if the contact area is reduced to half?

For the same force, what happens to pressure if the contact area is reduced to half? (1mark)

For the same force, what happens to pressure if the contact area is reduced to half? (1mark)

For the same force, what happens to pressure if the contact area is reduced to half? (1 mark)