Question

Newton's 2nd law

Determine if the following statements are true or false.
_____ 1. The relationship between mass and inertia is described by Newton’s second
law of motion.
_____ 2. Newton determined that there is a direct relationship between force and mass.
_____ 3. Any change in velocity for any reason is called acceleration.
_____ 4. The greater the net force applied to a given object, the more it will accelerate.
_____ 5. The greater the mass of an object, the more it will accelerate when a given net
force is applied to it.
_____ 6. A net force of 1 N applied to a mass of 1 kg results in an acceleration of 0.5
m/s2.
_____ 7. Your weight equals your mass multiplied by the acceleration due to gravity.
_____ 8. A 10-kg object has greater acceleration due to gravity than a 5-kg object.
_____ 9. The acceleration of an object equals its mass times the net force applied to it.
_____ 10. The acceleration of an object due to gravity depends on the object’s initial

1. Define weight.
2. How is the weight of an object related to its mass?
3. If an object has a mass of 50 kg, what is its weight

Explain how Newton’s second law of motion can be used to calculate the acceleration
of an object.

Match each definition with the correct term.
Definitions
_____ 1. acceleration due to gravity
_____ 2. formula for weight
_____ 3. formula for acceleration
_____ 4. measure of the force of gravity pulling on an object
_____ 5. type of relationship between acceleration and mass
_____ 6. measure of the change in velocity of a moving object
_____ 7. type of relationship between acceleration and force
Terms
a. acceleration
b. weight
c. direct relationship
d. a=Fm
e. inverse relationship
f. F=m×a
g. 9.8 m/s



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Answer 1

t or f 1.true 2.true 3.false 7.true a body's relative mass or the quantity of matter contained by it, giving rise to a downward force; the heaviness of a person or thing is called weight.The mass of an object is a measure of the object's inertial property, or the amount of matter it contains. The weight of an object is a measure of the force exerted on the object by gravity, or the force needed to support it. The pull of gravity on the earth gives an object a downward acceleration of about 9.8 m/s2.w = mg.
= 50 x 9.8.
= 490 N.
Therefore the weight of an object with a mass of 50kg is 490 N

Answer 2

heya dear refers to the attachments for the answer:---

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