WorksheetsPhysics Final
Total questions: 26
Worksheet time: 7hrs 30mins
Which of the following graphs shows constant velocity?
Which term is used to describe how far an object is from a reference point?
speed
velocity
distance
displacement
Which of the following is a change in velocity?
acceleration
speed
uniform motion
displacement
In order for the Road Runner to escape Wile E. Coyote, he had to run a distance of 100m and accomplished this feat in 30 seconds. What was his velocity in m/s?
3.3 m/s
3000 m/s
0.3 m/s
130 m/s
What is the momentum of a 1230 kg car traveling at a velocity of 15 m/s?
1845 kg*m/s
83 kg*m/s
18450 kg*m/s
1215 kg*m/s
The rate at which work is done is called ______.
work
potential energy
kinetic energy
power
The energy of a moving object is called ______.
potential energy
kinetic energy
chemical energy
momentum
When you throw a ball into the air, the total mechanical energy of the ball at any point in its flight can be expressed as kinetic energy ______ potential energy.
multiplied by
plus
minus
divided by
As an object falls toward Earth, the potential energy of the object _______.
increases
decreases
stays the same
cannot be determined
What is the kinetic energy of a shot put with a mass of 9.0 kg and a velocity of 5.0 m/s?
22.5 J
112.5 J
450 J
45 J
What is the potential energy of a woman with a mass of 55 kg who is standing on a balcony that is 15 m off of the ground?
8250 J
825 J
6187.5 J
3.7 J
At what points in the image below is the total mechanical energy of the roller coaster equal?
a and b only
they're all equal
b and d only
a and c only
Newton’s _____ law states that the acceleration of a body is directly proportional to the net force on it and inversely proportional to its mass.
first
second
third
fourth
A 50 kg child on a skateboard experiences a 75 N force as shown. What is the expected acceleration of the child?
0.67 m/s2
1.50 m/s2
6.7 m/s2
15.0 m/s2
Two teams in a tug of war exert the same amount of force on each other and the rope does not move. Newton’s ____ law explains why the rope does not move.
first
second
third
fourth
According to Newton’s ______ law, an object with no net force acting on it remains at rest or in motion with a constant velocity.
first
second
third
fourth
The greatest change in momentum will be produced by _____.
a large force acting over a long time
a small force acting over a long time
a large force acting over a short time
a short force acting over a long time
Which is a scalar quantity?
displacement
distance
velocity
acceleration
A baseball catcher throws a ball vertically upward and catches it in the same spot as it returns to the mitt. At what point in the ball's path does it experience zero velocity and constant, nonzero acceleration at the same time?
Midway on the way up
At the top of its trajectory
The instant it leaves catcher's hand
The instant before it arrives in the catcher's mitt
One object is dropped and another is fired horizontally from the same height and at the same time. Which object hits the ground first?
The "dropped" object
The "fired" object
They both hit at the same time
Depends on the initial height
Ignoring air resistance, if a 10kg ball and a 200 kg crate were both dropped from the top of a building the acceleration of the crate would be ________ the acceleration of the ball.
greater than
less than
equal to
first less, then greater than
Difficulty in pushing a large crate from rest involves an object’s ______.
inertia
initial velocity
final velocity
acceleration
The gravitational force exerted by a large body, such as Earth, is also known as_______.
inertial mass
acceleration
weight
mass
When a force is exerted on an object, work is done only if the object ______.
is heavy
remains stationary
moves
has no momentum
The gravitational potential energy of an object close to Earth is directly related to ____.
the mass of the object
the height of the object
both the mass and height of the object
neither the mass nor the height of the object
Which of the following is a change in momentum?
impulse
force
power
work
