Worksheets2nd Major Exam
Total questions: 50
Worksheet time: 37mins
A person’s body is thrown outward as a car rounds a curve on a highway.
Newton's 1st Law
Newton's 2nd Law
Newton's 3rd Law
None of them
An archer pulls the bowstring back, then releases the string and the arrow flies forward. Pulling the string back is the...
action force
reaction force
net force
inertia
When an unbalanced force acts on an object, the force ______________________.
changes the motion of the object
is cancelled by another force
does not change the motion of an object
is equal to the weight of the object
What is energy?
moving energy
stored energy
renewable energy
The ability to do work.
What is potential energy?
moving energy
stored energy
renewable energy
non renewable energy
What is kinetic energy?
moving energy
potential energy
stored energy
renewable energy
units of force are
newtons
grams
joules
meters
if you push a cart with a force of 60 N for 2 m... how much work have you done
120 J
30 J
120 N
30 N
At which point of the roller coaster is potential energy the greatest?
W
X
Y
Z
The faster an object moves, the ________ kinetic energy it has.
more
less
When you eat fruits and vegetables, chemical bonds are releasing stored energy, this is...
a. thermal energy
b. sound energy
c. electrical energy
d. chemical energy
A student is holding the end of a pendulum. The student releases the pendulum. What energy transfers are taking place?
potential energy is transferred to kinetic energy
chemical energy to thermal energy
mechanical energy to chemical energy
kinetic energy is tranferred to potential energy
What happens when the ball goes from the highest position to the lowest position
PE and KE increases and decreases together
Impossible to know without knowing the mass of the object
the PE decreases while KE increases
What kind (s) of energy is (are) in this image?
Potential
Kinetic
Both Potential and Kinetic
Energy stored because of gravity is called:
Gravitational Potential Energy
Kinetic Energy
Mechanical Advantage
Chemical Energy
How could you increase the gravitational potential energy of an object without changing its mass and gravity?
Make the object larger
Lower the object towards the ground
Raise the object farther off the ground
Allow the object to roll on the ground
At point C, the mass in the pendulum has ________ PE, and ________ KE.
maximum, maximum
maximum, minimum
minimum, maximum
not sure
What will be the PE at point C?
400J
100J
0J
40J
