Test Forces Flashcards
No. 3 mass is the amount of matter in an object, weight depends on the force of gravity, weight is a constant no matter where you are located, ass is a constant no matter where you are located which is false
Weight is constant no matter where you are located
No. 5 the size of gravitational force between two objects depend on their ____
Masses and the distance between them
No. 7 if the same force is applied to each of the balls pictured below which one will have the least acceleration
Bowling ball m=73 grams
No. 14 consider a watermelon that starts from rest and is dropped straight down from a tall building air resistance can be ignored which statement about the watermelons motion is false
The watermelon falls with a constant velocity
No. 16 what is the weight of the box in the picture 300N -> 25kg
245N
No. 19 a man weighing 800N is standing on a chair in order to support the man what force is the chair exerting
800N up
No. 20 a baseball player swings his bat and misses the ball but hits a fly that was hovering over home plate the acceleration of the fly compared to what the acceleration of the ball would have been with the same force applied to it would be
Larger
No. 21 the relationship among mass, force, and acceleration is explained by
Law of conservation of momentum
No. 22 in this picture if the card were quickly pulled of the cup like the arrow suggests what property would explain why the coin falls into the cup rather than moving with the card
Inertia
No. 24 when two forces on the same object are equal and opposite these forces are called ____ forces
Balanced
No. 28 a net force acting on an object cause the object to accelerate in the direction of the net force
Newton’s 2nd Law
No. 32 related to the amount of force needed to change an objects motion
Momentum
