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-- The more mass an object has, the more gravitational force there is betweenit and the Earth.-- But the more mass an object has, the more force is required to accelerate it.-- The relationship between how much gravitational force there is and how much forceis required trades off just right, so that every mass has the same acceleration.
you will make it accelerate twice as much.
a sponge will have more matter packed in the same space
Mass is defined as resistance to acceleration, so one could measure how much force is needed to accelerate the object.
It depends on the mass of the wall, and how fast you can accelerate the object you are using to break the wall. this is because Net Force (what you would need to break the wall) = mass times acceleration
150
Just apply Newton's Second Law.
force = mass x accel = 1800 x 3 = 5400 Newtons
100 Newtons.
Not enough information. You must also know the change in velocity.
175