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WorksheetsPhysics Ch. 4 Newton's Laws
Total questions: 70
Worksheet time: 2hrs 33mins
the tendency of an object to resist a change in its motion
acceleration
inertia
mass
frame of reference
Which has the MOST inertia?
Objects with greater _________ also have greater inertia.
speed
mass
force
friction
Because of inertia, a resting object will remain at ________.
rest
a constant speed
school
inertia
What kind(s) of objects have inertia?
all objects with mass
only objects at rest
only objects in motion
only objects whose motion is being changed
You push on a car and it does not move. What is true about the inertia?
The inertia is changing
The inertia of the car is too great
The inertia of the person is equal to the car
There is not inertia because of no movement
Which one has the LEAST inertia?
Inertia refers to ___________
(select all the apply)
the tendency of moving objects to remain in motion
the force which keeps moving objects in motion with a constant velocity
the force that keeps stationary objects at rest
the tendency of stationary objects to remain at rest
A skateboard rolls down a hill, reaches the level surface and eventually comes to a stop. The fact that the skateboard ultimately stops is best explained by ________.
the skateboard needs an additional unbalanced force to continue its motion
the presence of an unbalanced force can cause a moving object to stop
the presence of inertia causes it to stop
the natural tendency of any object is to stop at some point
All objects have inertia
True
False
Who would cause more damage when leaping over a small building?
What is the unit of measurement for force?
AMP
Seconds
Newtons
Miles
What is the net force?
3 N
3 N, right
17 N, right
3 N, left
Who wins the tug of war with what net force?
The person on the left with 20 N
The person on the left with 80 N
The people on the right with 20 N
The people on the right with 100 N
What is the net force?
20 N
0 N
400 N
40 N
What is the unit to MEASURE force?
Kilogram
Meter
Pounds
Newton
A ____________ is a push or a pull on an object.
friction
force
magnet
gravity
If these teams are pulling with the same amount of force what will happen?
The boy in blue will win.
They will not move at all.
The boy in red will win.
Both will fall down.
Balanced or unbalanced?
balanced
unbalanced
Forces that have a net force of zero Newtons
Balanced force
Unbalanced force
The sum of all forces acting on an object.
Contact Force
Balanced Force
Unbalanced Force
Net Force
What will cause an object to move?
Applied forces
Balanced forces
Unbalanced forces
What force holds the planets in motion around the sun?
Magnetic
Electrical
Gravitational
Air Resistance
If both forces are going in the same direction you should______ those forces
Add
Subtract
Divide
Multiply
When forces are going in the opposite direction of each other you should do what do find the net force
Subtract
Add
Divide
Multiply
A contact force is from
objects physically touching
far apart objects
not touching object
always a pull
A field force is between
two objects that aren't touching
two objects that are touching
the ground and wheels
you and me
The three examples pictured are of
Field Forces
Contact Forces
The force between the phone and the mount is a
contact force
field force
Gravity is a
Contact Force
Myth
Field Force
Friction is a
Contact Force
Myth
Field Force
You are pulled to the surface of the earth due to the force of _________________
gravity
friction
normal force
contact force
Air Resistance Force
Contact Force
Field Force
The Coffee cup in the picture is resting on a table. What force(s) are missing from the free body diagram?
No forces are missing
The normal force from the table pushing the cup up.
The normal force form the table pushing the cup down.
The friction force from the table pushing the cup left and right.
The coffee cup in the picture is at rest on the table. What is true about the Normal force?
The normal force is exactly 15
The normal force is less than 15
The normal force is more than 15
The normal force is -10
The hockey puck is moving at a constant velocity across the ice. What forces does the puck experience at this moment?
None
Gravity
Gravity and Normal
Gravity, Normal, and Friction
Gravity, Normal, Friction, and Applied
The forces on this chandelier are...
Gravity
Gravity and Normal
Gravity and Tension
Gravity, Tension, Friction, and Applied
A squirrel sits on the ground and eats a donut. We know the forces on him must be balanced because...
Forces are always balanced
the squirrel is not accelerating
squirrels are projectiles
he's eating a donut
The Car in the picture is moving to the right at a constant velocity. Any friction present would be pushing the car to the ...
Up
Right
Down
Left
If a 10 kilogram object accelerates suddenly at 15 m/s^2, how much force was applied to the object?
150 Newtons
15 Newtons
150 kilograms
100 kilograms
If a force of 26 N is exerted on two balls, one with a mass of 0.52 kg and the other with a mass of 0.78 kg, which ball will have the greater acceleration? (F=ma)
The one with a mass of .78 kg will have the greatest acceleration.
The one with a mass of .52 kg will have the greatest acceleration.
They will both accelerate at the same rate.
A skier needs to apply a force of 132 N to accelerate at a rate of 2 m/s2. What is the mass of the skier? The answer to this question is most likely (HINT: Look at the units!!!) -
66 N
66 m/s2
66 kg
A force of 90N is applied to each cart below, which one will accelerate the fastest?
Cart 1
Cart 2
Cart 3
Cart 4
Newton's Third Law States...
Objects in motion stay in motion and objects at rest stay at rest
Force is equal to mass times acceleration
For each action there is an equal and opposite reaction
An archer shoots an arrow. The action force is the bowstring against the arrow, the reaction force is...
Air resistance against the bow
the arrow's push against the bowstring
the grip of the archer's hand on the bow
A player throws a ball. The action force is the player impact on the ball. The reaction force is...
The force of the ball impact on the player
The force of the grip of the ball
The celebration the player is thinking of
A player hits a ball with a bat. The action force is the impact of the bat against the ball. The reaction force is...
The grip of the player's hands on the ball
the air resistance of the ball
the force of the ball against the bat
A baseball player bats a ball with a force of 1,000 N. The ball exerts a reaction force (without any additional forces action on it) against the bat of...
Less than 1, 000 N
1,000 N
More than 1,000 N
What is the reaction force to a foot pushing down on the floor?
The foot going through the floor
The floor pushing back against the foot
The floor breaking to the foot
According to Newton's third law forces come in pairs?
True
False
The force which acts perpendicular to the table, and which supports the computer resting on the table is called ........... force
balanced
unbalanced
Normal
Tension
What is the type of force in a rope when the rope is stretch by a weight?
Tension
Gravitational force.
Upthrust.
Thrust.
What is the definition of "weight"?
measure of the force of gravity on your body
the time it takes to get on a ride
the amount of matter in an object
the size of an object
"Forces come in pairs" represents
Newton's 1st law
Newton's 2nd law
Newton's 3rd law
Law of conservation of momentum
"For every action, there is an equal and opposite reaction" represents
Newton's 1st law
Newton's 2nd law
Newton's 3rd law
Law of conservation of momentum
F=ma represents
Newton's 1st law
Newton's 2nd law
Newton's 3rd law
Law of conservation of momentum
A net force of 15 N is exerted on an encyclopedia to cause it to accelerate at a rate of 5 m/s^2. Determine the mass of the encyclopedia.
m = 30 Hg
m = 30 kg
m = 3.0 ml
m = 30.0 g
A unbalanced force means that an object is
zero net force
changing its motion
sitting still
object at rest
Which car is accelerating?
A car that is not moving
A car that rounds a curve at a constant speed
A car traveling at a constant speed
A car that has a set speed of 60mph
A fireman turns on his hose and is knocked backwards
Newton's 1st Law
Newton's 2nd Law
Newton's 3rd Law
None of the above
A basketball sits in the ball cage in the gym. It remains motionless.
1st Law
2nd Law
3rd Law
A little girl who has been pulling a sled behind her in the snow is crying because when she stopped to tie her shoe, the sled kept moving and hit her in the back of the leg.
1st Law
2nd Law
3rd Law
A boy is going down a slide. As he reaches the bottom, friction causes him to slow down and stop.
1st Law
2nd Law
3rd Law
When you are standing in a subway train, and the train suddenly stops, your body continues to go forward.
1st Law
2nd Law
3rd Law
Force is measured in:
m/s
Newtons
s2m
Minutes
A baseball player hits a ball with a bat. If the force on the ball is increased, what happens to the acceleration of the ball, assuming the mass remains constant?
The acceleration decreases.
The acceleration remains the same.
The acceleration increases.
The acceleration becomes zero.
