Which of the following is an acceleration?
5 m/s
5 kg/hr
5 m/s^2
5 kg m/s
5 m/s^2
100
What is the Unit for Force?
Newtons
100
Vectors in the same direction can be...
Vectors in opposite directions can be...
added
subtracted
200
What is the speed of a car that travels 200 km in 4 hours?
What is 50 km/hr
200
What are the units for momentum?
kgm/s
200
What is acceleration?
The rate of change of an object's velocity.
A measure of the increase or decrease in velocity
200
This law states: The acceleration of an object increases with increased force and decreases with increased mass.
What is Newton's 2nd Law of Motion
200
A vector has both _____________ and _________________
direction and magnitude
300
What is the difference between speed and velocity?
Speed is the rate at which something moves. Velocity is the rate at which something moves AND in what direction it is moving.
300
A 1500 kg car is driving with a velocity of 15 m/s, North. What is the momentum of the car?
22500 kgm/s
300
What is the equation for acceleration?
a = Vf - Vi / t
300
The recoil of a gun is an example of which law?
What is Newton's 3rd law of motion
300
Which of the following are vectors (more than on may apply)
Distance
Velocity
Speed
Displacement
What is
Velocity
Displacement
400
How long will it take a person running 5 m/s to run 200 meters?
40 seconds
400
Momentum is a measure of a ____________ in motion
Mass
400
A helicopter's speed increased from 25 m/s to 60 m/s in 7 seconds. What is the acceleration of the helicopter?
What is 5 m/s^2
400
What do we call the resistance of an object to a change in the speed or the direction of its motion?
What is Inertia
400
What is the net force acting on the diagram on the chart paper?
What is
4 N
500
How far will a car travel if it drives for 2 hours at a rate of 50 km/hr?
HONORS:
How far will a car travel if it drives for 2 hours at a rate of 20 m/s?
100 km
Honors:
144,000 m
or 144 km
500
An elephant is running at a rate of 10 m/s west, and a momentum of 5000 kg m/s. What is the mass of the elephant?
500 kg
500
A 2001 Porsche Turbo S goes from 0-27 m/s in 2.7 seconds. What is the car's acceleration?
What is 10 m/s^2
500
What is a real life example of Newton's 2nd Law?
Answers may vary
500
What is the Net Force acting on the free body diagram?
Describe the motion of the diagram.
3 N down and 2 N right
The object is falling and moving towards the right.