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Forces & Motion

AB
What is inertia?the resistance of an object to change
Deceleration is also know asnegative acceleration
What is the constant for gravity?9.8 m/s2
What is force?a push or pull
Which law is shown with sitting on the couch?Newtons 1st Law
What is acceleration?the rate of change in velocity
Which law is shown by bumping a volleyball or setting a volleyball?Newton's 2nd Law
Which is an example of a velocity answer?6 km/ hr East
Which law is shown when Cam is swimming in Lake Placid?Newton's 3rd Law
What is centripetal acceleration?walking around in circles
What is the acceleration of a car that slows down from 90 m/s to 30 m/s in 10 seconds?- 6 m/s2 (negative number)
What is speed?a change of distance over a period of time
What is momentum?an objects mass x velocity
What is velocity?speed in a given direction
What is the force needed to push a wheel barrow 50 kg with an acceleration of 2 m/s/s?100 N (50 x 2)
What is the weight of a lion with a mass of 200 kg?1960 N (mass x gravity)
What is the property found on the top of the magic triangle for speed?distance
What is the property found on the bottom right of the magic triangle for speed?time
What is the property found on the bottom left of the magic triangle for speed?speed
What are momentum's units?kg * m/s


7th Grade Science Educator
D.S. Ray Middle School
NY

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