| Kinematics | Forces | Energy | Rotation | Fluids |
|---|---|---|---|---|
|
A cliff jumper runs horizontally off a cliff. We can ignore
air resistance. Draw a free body diagram for the situation.
1 force acting downwards
|
A person pushes on a box (5kg) with a force of 45N.
What is the acceleration of the box?
9m/s^2
|
What is the potential energy of a box of mass 10kg
located 5m above the surface?
500J
|
A disk of radius 10 m has a rotational inertia of 6 kg/m^2. If a force of 5 N is applied clockwise for 10 seconds, what is the final angular velocity?
500/6 rad/s (83.333)
|
What is the gauge pressure of a fluid of density
100kg/m^3 and depth of 0.1m
100Pa
|
|
Is velocity increasing or decreasing during free fall?
decreasing
|
The coefficient of friction between a box and the
ground is 0.15. The box has a mass of 10kg. What is the magnitude of the Force of Friction?
15 N
|
What variable can be found as the rate of change of a graph of kinetic energy over time?
Power
|
A disk is rotating at 5 rad/s initially and is accelerating
at 2rad/s^2 for 10 seconds, what is the final displacement?
150rad
|
What is the volume of a box of mass 50kg and density
of 1000kg/m^3?
0.05m^3
|
|
What vector can be found as the area beneath the
graph of acceleration over time?
velocity
|
If a spring of spring constant k = 50 N/m is
compressed by 10 meters, what is the magnitude of the spring force F?
500N
|
What is the potential energy of a spring with spring
constant 80N/m and positioned 5m from equilibrium length?
1000J
|
What is the kinetic energy of a disk with a rotational
inertia of 10 kg/m^2 and moving at 4rad/second?
80J
|
A fluid moves through a pipe of cross-sectional area of
25m^2 at 10m/s, it moves to a new pipe of cross sectional area 10m^2, what is the velocity of the fluid in the new pipe?
25m/s
|
|
A ball moves at 4m/s for 5 seconds. What is the
displacement of the ball?
20m
|
Two equal planets of equal mass 5.4 x 10^5 kg are 10
x 10^10 meters apart, what is the gravitational force between them?
1.94e-21
|
What is the work done by a force of mass 50 N over a
distance of 2 meters.
100J
|
What is the linear velocity of a disk with radius 8m and
a angular velocity of 6m/s
48m/s
|
What is the force buoyant of a boat in water of density
1000kg/m^3 when the boat displaces 50m^3 of water?
500000N
|
|
A ball of mass 45 kg is rolling down a hill with a
terminal angle of 35º. What is the magnitude of the force normal acting on the ball?
368.62 N
|
What is the centripetal acceleration of a ball 5m from
the point of rotation and moving at 5m/s?
5m/s^2
|
A ball with kinetic energy of 100 J is moving at 10 m/s.
What is the mass of the ball?
2kg
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A force of magnitude 7N is applied perpendicular to a
disk of radius 1m, what is the torque of the disk?
0 N (Force is perpendicular not parallel)
|
What is the velocity of water when it leaves a container
of A container of water is placed on a table of height 5m, and a hole is made in the bottom. Water leaving the container lands 10 meters away. What is the height of the container?
5m
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