Unbalanced Vs. Balanced
Earth revolving around the sun every 365 days. Is this a balanced or unbalanced force?
It is a balanced force.
A dog pulls a leash with 35 N forward and the owner pulls with 25 N backwards. What is the net force and direction?
10 N forward
A straight diagonal line indicates..........
Constant Speed
A marathon runner travels 42 km in 6 hours. What was the average speed of the runner?
7 Km/Hr
What is the average speed of this graph?
1.6 m/s
Friction, air resistance, and gravity.
Unbalanced forces
A box has opposing forces being acted upon it at 23 N East and 17 N West. Calculate the net force and direction the box is moving.
6 N East
What is the object doing from 0 to 1.5 seconds?
It is at rest.
It takes 35 minutes to travel to the store riding your bike at a speed of 4 meters per second. How far did you travel?
140 meters
What is the average speed of segment D?
1.33 m/s
A rollercoaster leaving the top of a track plummeting towards the ground.
Unbalanced force
A game of tug-of-war has the girls pulling with a force of 150 N. The boys are pulling with a force of 135 N. Calculate the net force and determine who won the tug-of-war.
Girls by 15 N
A straight horizontal line indicates.......
No motion, object at rest or no movement.
A car drives 400 miles at 50 mph. How long did it take for the car to drive?
8 hours
2.5 m/s
A car driving with its cruise control at 55 mph.
Balanced forces
A fish is swimming up stream with a force of 38N. The stream is flowing at a force of 22N. What is the net force and is the fish beating the current?
16N upstream...... Just to be eaten by a BEAR! Dun Dun Dun!
How could you describe the location of the object at 12 seconds?
It went home or went back to the beginning.
A Peregrine Falcon flew a distance of 36.8 kilometers in 7 minutes due North. What is the velocity of the fastest bird on Earth?
5.25 km/min North
What is the average speed of 0 to 4 seconds?
1.75 m/s
A person standing on the ground.
Balanced force.
A rocket ship requires a net force of 350N to have lift off. The thrust of the engine gives 750N. Gravity applies 298N and air resistance provides 150N. Calculate the net force and does the rocket ship leave the Earth's surface?
302 N and no it does not have lift off. :( What a waste of fuel......
How can you compare the time intervals 1.5-3.2 seconds compared to 5-12 seconds.
1.5-3.2 the object is traveling faster because the slope is steeper.
An airplane travels 4,400 km in 6 hours. What is the average speed of the airplane?
733.33 Km/Hr
What is the average speed of the trials?
.5 m/s