A Gravity physics question that I am confused.

The theoretical prediction of the magnitude of the acceleration uses the constant g. Identify, among the following options, a correct interpretation of this constant.

a. The weight of an object of mass 1Kg.

b. The acceleration of an object on an incline.

c. The magnitude of the velocity of an object in free fall.

d. The magnitude of the acceleration of an object in free fall.

e. The weight of an object in free fall.

d. The magnitude of the acceleration of an object in free fall.

'g' is sometimes called gravitational field strength. But it is also called 'the acceleration due to gravity'. The name is the 'give-away' - if you drop something it accelerates, 'g' tells you what the acceleration is.

(On earth, a falling object accelerates at 9.8m/s^2; g=9.8m/s^2. On the moon g is only 1.6m/s^2.)

So the correct answer is d.

Say forinstance that you have a laser been so powerful that you can see it travel thru space; the laser been will warp when it's own velocity when passing by stars (great and small) and passing by planets (great and small). But when it passes right into a black hole, the been will stop. Gravity waves sways bends light. If you were in a pick up truck going thru space at about one second faster then the speed of light, your head beams of the truck would not work. Even though the head light beam switch is turned on, they would not shine. Anything going faster then the speed of light would turn time in reverse. The only thing that once did travel faster then the speed of light, was the big bang. Mark K.

answer to a 9.81 x a = 9.81 Newtons is the weight of the object.

answer to b..not enough info
answer to c...to less info velocity is dependent on the mass of the object as it will reach a terminal velocity if it is in free fall.
answer d...9.81 metres per second squared
answer to e...well you haven't stated the mass, but it would be the mass times the value of g, which is 9.81

d,

weight is a force not acceleration