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WorksheetsRevision q1 G9
Total questions: 113
Worksheet time: 2hrs 0mins
If the net force is equal to zero, the forces acting on the object are
balanced
unbalanced
Weight is a force that depends on mass and:
friction
gravity
magnetism
energy conservation
Luka pushes a box across the floor in the direction shown by the arrow in the diagram below:
The direction of the friction force acting on the box is:
up
down
left
right
Which statement is true about balanced and unbalanced forces?
Neither balanced or unbalanced forces cause motion
Balanced forces can either have no motion or have an object moving at a constant speed
Unbalanced forces do not change motion and balanced forces change motion
What is the value of acceleration due to gravity?
10m/s2
9.8m/s2
100m/s2
980m/s2
Energy that is stored is called...
Kinetic Energy
Potential Energy
Mechanical Energy
Thermal Energy
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
Energy in the form of motion.
mechanical energy
potential energy
kinetic energy
momentum
The ability to do work or cause change:
work
energy
momentum
power
Stored energy in the form of position or condition.
potential energy
kinetic energy
momentum
mechanical energy
The net force acting on the object is acting _____.
to the right
to the left
up
down
Velocity has both _____ and _____.
mass and direction
speed and acceleration
speed and direction
Is the Net Force balanced or Unbalanced?
Balanced
Unbalanced
When a student runs and kicks a ball, they have applied an ___________ force to move the ball.
Balanced
Magnetic
Spring
Unbalanced
The __________ between the sole of you shoe and the floor keeps you from slipping.
friction
gravity
acceleration
motion
1st
Law of Motion
2nd
Law of Motion
3rd
Law of Motion
1st
Law of Motion
2nd
Law of Motion
3rd
Law of Motion
Pushing in a chair is an example of...
gravitational force
applied force
normal force
friction force
What is the magnitude and direction of the force in the free body diagram shown?
70 N right
70 N left
50 N right
50 N left
What is the magnitude and direction of the force in the free body diagram shown?
20 N, no change in motion
20 N right
20 N left
0 N , no change in motion
What is the magnitude and direction of the force in the free body diagram shown?
2000 N forward
800 N backward
1200 N forward
2800 N forward
What is the magnitude and direction of the force in the free body diagram shown?
35 N right
17 N right
11 N right
5 N right
What is the magnitude and direction of the force in the free body diagram shown?
5 N down
0 N, no change in movement
15 N up
15 N down
When an object is moving, friction acts in the _______ direction as the motion.
perpendicular
same
opposite
precise
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
What is NOT a renewable energy source?
coal
wind
solar
water
Which is NOT a non-renewable energy source?
coal
oil
wind
gas
Energy cannot be created or destroyed.
True
False
What is nuclear energy?
Energy in the nucleus of an atom
Energy in the particles of an object
Energy that is carried by electromagnetic waves
Energy in a system of objects
At which point does the ball has the greatest gravitational potential energy (GPE)?
A
G
D
C
G
____________ is the ability to do work.
Energy
Force
Friction
Motion
You throw a ball into the air as shown in the diagram. At what point does the ball have the most gravitational potential energy?
W
X
Y
Z
At which point on the roller coaster is the gravitational potential energy the greatest?
W
X
Y
Z
Which of these is not a source of chemical energy?
Spaghetti
The Sun
Battery
Petrol
Which type of energy is stored energy?
Potential Energy
Kinetic Energy
