ACCELERATION
The rate at which velocity changes.
ACCELERATION
In a distance–time graph, the X-axis represents time while the Y-axis represents ______.
DISTANCE
What force is responsible for keeping bodies moving in circular motion?
CENTRIPETAL FORCE
What is the formula for work?
W=Fd
W=mgh
W=Pt
What is the standard SI unit for acceleration?
m/s2
In a velocity–time graph, the X-axis represents time while the Y-axis represents ______.
VELOCITY
The mathematical expression for centripetal force is ______.
Fc=mv2/r
CONGRATULATIONS!
YOU'VE GOT THE BONUS POINT!
What is the formula for acceleration?
a=Vf−Vi/t
In a distance-time graph, the slope represents speed while in a velocity-time graph the slope represents ______.
ACCELERATION
Which quantity remains constant in uniform circular motion?
SPEED
TRUE OR FALSE: The faster the work is accomplished, the higher the power produced.
TRUE
Acceleration is considered a vector quantity because it has both magnitude/speed and ______.
DIRECTION
Which velocity-time graph shows velocity increasing by a constant amount each second?
A. A straight line with positive slope.
B. A straight line with negative slope.
A
A body of mass 10 kg moves with velocity 5 m/s in a circle of radius 5 m. Identify the quantity and the values with unit.
m = 10kg
v = 5m/s
r = 5m
What is the formula for power?
P=W/t
P=Fd/t
Uniform acceleration is a motion where velocity changes at a ______ rate over time.
CONSTANT
Which velocity-time graph shows velocity decreasing by a constant amount each second?
A. A straight line with positive slope.
B. A straight line with negative slope.
B
A 2-kg object moves in a circular path with radius 5 m and speed 10 m/s. The object's mass, radius, and speed (v) is present. What is asked in the problem?
CENTRIPETAL FORCE
Mark raises a box with weight 130 N to a height of 2 m. What is the work done?
260 J