Vocabulary
True or False
Real Life Laws
Force and Accelaration
100
Two or more forces that are not equal and opposite of one another
Unbalanced Force
100
It is possible to have the same mass on both the Moon and Earth
True
100
A baseball sits in the ball cage in the gym. It remains motionless.
Newtons 1st Law
100
How much force is needed to accelarate a 100 kg truck going at a rate of 10 m/s
100 x 10 = 1,000 N
200
The sum of all forces acting on an object
Net Force
200
If the gravity of a planet decreases the weight of the object would increase.
False
200
Two bumper cars collide into each other and each car jolts backwards.
Newton's 3rd Law
200
What is the acceleration of a basketball if it has a mass of .50 and hits with a net force of 50 N
50 / .50 = 100
300
A force of attraction between objects that is due to their masses.
Gravity
300
The accelaration of gravity on Earth is different than on the Moon because of their different Masses
True
300
A little girl who has been pulling a sled behind her in the snow is crying because when she stopped to tie her shoe, the sled kepts moving and hit her in the back of the leg
Newton's 1st Law
300
10 N <---
400
The greatest velocity of falling object can acheive due to air resistance
Terminal Velocity
400
The gravitational pull of an object INCREASES as mass DECREASES
False
400
It is much easier to carry your backpack when it is empty rather than when its full of textbooks.
Newtons 2nd Law
400
What is the mass of a falling satellite if it hits the ground with a force of 5,000 N?
Hint: Accelaration of Gravity = 9.8 m/s
510.2
510.20
510.204