Respuesta :
Answer:
Explanation:
1.) Which statement best describes force?
answer: Force is a vector quantity that measures both direction and magnitude of a push or pull on an object.
2.) A soccer ball is traveling downfield with a force of 1.2 kN and strikes another soccer ball that is stationary. Which of the following describes the result of the collision?
answer: The stationary soccer ball will begin moving downfield and the ball that struck it will slow down.
3.) Which of the following scenarios accurately describes magnitude and direction?
answer: A car traveling northward with 5 kN of force could be brought to a stop by a southward force of 5 kN.
4.) What is force directly proportional to?
answer: the acceleration and mass of an object
5.)Two ropes are being used to suspend a box. Each rope is exerting 5 N of upward force. If the forces are balanced and the box is stationary, how much force is being exerted by the box itself and in which direction?
answer: The box exerts 10 N of force downward.
Hope this helps :)
A car traveling northward with 5 kN of force could be brought to a stop by a southward force of 5 kN is accurate scenario to explain magnitude and direction.
Force is a vector quantity that measures both direction and magnitude of a push or pull on an object . It can also be explain as , force is an external agent capable of changing a body’s state of rest or motion. It has a magnitude and a direction.
The direction towards which the force is applied is known as the direction of the force, It is represented by F and unit is Newton & S.I. unit is kg ·m/s².
F = ma
Where, m is the mass of body and a is the acceleration of the body .
Acceleration of a body or an object is given as, the rate of change of the velocity of an object with respect to time. The unit of acceleration is m/s².
a = Δv/Δt
Where , Δv is the change in acceleration and Δt change in time .
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