A car weighs 1323 N. what is its mass?
2 answers:
Answer:
Mass of the car, m = 135 kg
Explanation:
The weight of the car is 1323 N. Let m is its mass. The relation between the mass and weight comes form Newton's second law of motion. We know that the weight of an object is the force that is exerted due to acceleration due to gravity.
The mathematical form of weight of an object is given by :
W = mg
g is the acceleration due to gravity
m = 135 kg
So, the mass of the car is 135 kg. Hence, this is the required solution.
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Answer:
True
Explanation:
Pressure is defined as:
where
F is the magnitude of the force perpendicular to the surface
A is the surface
Therefore, pressure is inversely proportional to the area of the surface:
this means that, assuming that the forces in the two situations (which have same magnitude) are both applied perpendicular to the surface, the force exerted over the smaller area will exert a greater pressure. Hence, the statement"
<em>"A force acting over a large area will exert less pressure per square inch than the same force acting over a smaller area"</em>
is true.