WorksheetsForces and Motion Quizizz
Total questions: 45
Worksheet time: 2hrs 22mins
What is the unit for FORCE?
N (Newtons)
lbs (pounds)
g (grams)
m/s (meters per second)
In the district finals, Vanessa kicks the 0.600 kg soccer ball with a force of 80 N. How much does she accelerate the ball?
122 m/s/s
50 m/s/s
133 m/s/s
48 m/s/s
A crate is dragged across an ice covered lake. The box accelerates at 0.08 m/s/s and s pulled by a 47 N force. What is the mass of the crate?
587.5 kg
642.8 kg
58.75 kg
98.81 kg
What is the definition of a force?
Net force equal 0N and there is no change in the object's motion
the overall force acting on an object after all forces are combined
a push or a pull that acts on an object
The force does not equal 0N, the object accelerates
What do we call a force that has a net force of zero Newtons and the object does not change its motion?
balanced force
unbalanced force
acceleration force
net force
What do we call a force that causes an object to accelerate?
net force
moving force
acceleration force
unbalanced 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
An object's location
position
acceleration
unbalanced forces
What does a decreasing acceleration mean?
speed up
slow down
same speed
What does an acceleration of ZERO mean?
speed up
slow down
same speed
Which law of motion says that you must push or pull objects harder if they have more mass?
1st
2nd
3rd
4th
When a student runs and kicks a ball, they have applied an ___________ force to move the ball.
Balanced
Magnetic
Spring
Unbalanced
What law is best described by inertia?
1st
2nd
3rd
law of conservation of mass
A person not paying attention while skateboarding hits a rock. The skateboard stops...they don't.
The Law of Inertia (1st law)
The Law of Acceleration (2nd law)
The Law of Conservation of Momentum
Action Reaction Law (3rd law)
What is Newton's First Law
F=ma
Every action has an equal and opposite reaction
An object at rest stays at rest, an object in motion stays in motion.
Friction
Newton's third law states that any action will have a(n) _______ and ______ reaction
Equal and similar
Equal and opposite
Equal and different
Greater and opposite
If there is a big mass, it would need a stronger force to accelerate it. Which law does this describe?
3rd law
1st law
2nd law
What force slows objects down and keeps them from moving?
Acceleration
Gravity
Friction
Net Force
Is this Balanced or Unbalanced force.
Unbalanced force
Balanced force
What force is acting on the cat at the end?
Gravity
Friction
Momentum
Earth exerts a stronger gravitational force than the moon because Earth has more________.
stuff
mass
density
gravity
The tendency of objects to resist a change in motion is called:
Friction
Inertia
Gravity
Velocity
The picture shows three objects gravitationally interacting with each other. Which object exerts the greatest force on object B?
Object A
Object C
A and C exert an equal force on B
Cannot be determined
The picture shows the gravitational field in the space surrounding the Earth. What is creating this gravitational field?
The gravitational force.
The mass of the Earth.
The distance of the Earth.
The universal gravitational constant.
