Question

A prefabricated slab of 50 N lie on the ground with its sides of dimensions 20 cm x 10 cm. The pressure exerted on the ground by the slab is *

Answer 1

Answer:

2500 pa

Explanation:

GIVEN:

• the force applied by the prefabricated slab is 50 N
• Dimensions of the ground : 20 cm × 10cm

TO FIND:

• The pressure exerted on the ground by the slab

METHOD:

1. Convert the dimensions of the ground into meter and then find the area. i.e 20 cm = 0.2m 10cm = 0.1m. Area of the ground = 0.02m^2
2. FORMULA FOR FINDING THE PRESSURE EXERTED: FORCE/AREA

50/0.02

2500 Pa

therefore,

the pressure exerted on the ground by the slap is 2500 pa

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