Force Diagram
A skydiver who has just left the plan and is speeding up toward the ground
Fair ^ - * - Fearth v
a=Fnet/ Total mass=___________
A 1 kg car is being pulled with a net force of 1 N.
1 m/s2
Mass of Object 1(kg)= 100
Mass of Object 2 (kg)=5.98 x 1024
Separation Distance (m)= 6.38 x 106
Force of Gravity (N)= ______
Fgrav = 980 N
Ellen is swinging a 0.01kg yo-yo in a circular path perpendicular to the ground. The yo-yo moves in a clockwise direction with a constant speed of 2ms.
What is the velocity of the yo-yo at the bottom of the circle?
2m/s to the left
What is the earth’s primary source of energy?
The sun
A basketball in the middle of a free throw
Feath v
a=Fnet/ Total mass=___________
A 2 kg cart is being pulled by a net force of 1 N.
.5 m/s2
Mass of Object 1(kg)= 40
Mass of Object 2 (kg)= 5.98 x1024
Separation Distance (m)= 6.38 x 106
Force of Gravity (N)= ______
Fgrav = 392 N
Two children sit on a merry-go-round. One sits 0.5m from the center, and the other sits 3m from the center. If the children are in a straight line form the center, which child has a greater speed?
The child 3m from the center
The most recognized model of how the universe began is known as the?
The big bang
A hurdler as she clears a hurdle
Fground ^ - * - Fearth v
a=Fnet/ Total mass=___________
A 1 kg cart is being pulled by a net force of 4 N.
4 m/s2
Mass of Object 1(kg)= 70
Mass of Object 2 (kg)= 70
Separation Distance (m)= 1
Force of Gravity (N)= ______
Fgrav = 3.27 • 10-7 N
A car driving on the highway is moving at 60 miles per hour. As the car nears an exit ramp, the car slows to 35 miles per hour, a speed that is maintained throughout the circular path of the exit ramp. What force is keeping the car on its path (i.e. in circular motion)?
Centripetal force
What scientist is well known for his theory of relativity?
Albert Einstein
A sled being pulled at an angle at a constant speed.
Ffriction < - Fground ^ - * - Fperson > - Fearth v
a=Fnet/ Total mass=___________
A 4 kg cart is being pulled by a net force of 3 N.
.75 m/s2
Mass of Object 1(kg)= 70
Mass of Object 2 (kg)= 1
Separation Distance (m)= 1
Force of Gravity (N)= ______
Fgrav = 4.67 • 10-9 N
A ball attached to a string is moving counterclockwise in a vertical circle. If the string is cut exactly at the point where the ball is at the top of its motion (the top of the circle), what direction will the ball move in initially?
left
Electric current is typically measured in what units?
Amperes
A water skier moving and speeding up
Fwater ^ - * - Fboat > - Fearth v
a=Fnet/ Total mass=___________
1 kg = 10 N
A 1 kg cart is being pulled by 2 kg.
6.66 m/s2
Mass of Object 1(kg)= 70
Mass of Object 2 (kg)= 7.34 x 1022
Separation Distance (m)= 1.71 x 106
Force of Gravity (N)= ______
Fgrav = 117 N
A 2kg ball rolls around the edge of a circle with a radius of 1m. If it is rolling at a speed of 3ms, what is the period of the ball?
2pi/3 s
The wire inside an electric bulb is known as what?
Filament