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WorksheetsForce & Motion Unit 3 REVIEW
Total questions: 40
Worksheet time: 26mins
Newton's 3rd Law is also known as...
the law of conservation of mass.
the law of action-reaction.
the law of conservation of energy.
the law of inertia.
the law of gravity.
A contact force is...
a push or a pull on an object by another object that is touching it.
a push or a pull on an object that is not touching it.
a molecularly stable isotope force that favors magnetism.
a push that enables gravity to counteract magnetism.
A box is being pushed to the right with a force of 10 N and pulled to the left with a force of 4 N. What is the net force acting on the box?
6 N to the left
6 N to the right
14 N to the right
14 N to the left
Which of the following is an example of a balanced force?
A car accelerating on a highway
A book resting on a table
A ball rolling down a hill
A person pushing a shopping cart
What force is responsible for keeping a satellite in orbit around the Earth?
Friction
Magnetism
Gravity
Applied force
Which force opposes the motion of a sliding object?
Gravity
Friction
the Dark side
Normal force
According to Newton's Third Law of Motion, what happens when you push against a wall?
The wall moves
The wall pushes back with equal force
The wall absorbs the force
We all fall down
If a person is sitting on a chair, what is the force pair acting between the person and the chair?
Gravity and friction
Normal force and applied force
The person's weight and the chair's support force
Magnetism and gravity
Which of the following is an example of an unbalanced force?
A book lying on a table
A car parked on a hill
A person running
A picture hanging on a wall
What type of force is exerted by a magnet?
Friction
Gravity
Magnetism
Normal force
Magical mystery force
If two ice skaters push off each other, what will happen according to Newton's Third Law?
They will both move in the same direction
They will move towards each other
They will move away from each other
They will remain stationary
What is the reaction force to the gravitational force acting on a falling apple?
The apple's weight
The air resistance
The Earth's pull on the apple
The apple's pull on the Earth
A car is moving at a constant speed on a straight road. What can be said about the forces acting on it?
The forces are balanced
The forces are unbalanced
There are no forces acting
Only gravity is acting
Which of the following forces is a contact force?
Gravity
Friction
Magnetism
Weight
The normal force...
is the "supporting" force for stable objects.
is the force that pulls massive objects towards other objects.
is a non-linear disproportionate force.
is the force that connects non-contact forces together.
When a bird flies, what is the action-reaction force pair involved?
The bird's wings pushing air down and the air pushing the bird up
The bird's weight and the air resistance
The bird's wings flapping and the wind
The bird's beak and the air
In a tug of war the left team pulls with a force of 200N.
The right team pulls with a force of 150N.
What is the resultant force?
What is the NET FORCE of this diagram?
17 N, right
17 N, left
23 N, right
12 N, up
How do you find the net force of this image.
Add up all the arrows
Add a green arrow and the orange arrow.
Subtract all the arrows.
Add the green arrows and subtract the orange arrow.
What will the balloon do when it is released? (two correct answers)
The balloon will move to the right.
The balloon will move to the left.
The force of the air pushing out of the balloon will move it to the right.
The force of the air pushing out of the balloon will move it to the left.
The balloon will float up to the ceiling.
1) If this skateboarder jumps off the skateboard, which direction will the skateboard move?
2) The law of _____________ will make the skateboard move in the opposite direction of the person.
1) left
2) action-reaction
1) left
2) gravity
1) right
2) action-reaction
1) right
2) gravity
What are examples of action-reaction pairs? (two correct answers)
Pushing on a wall and the wall pushing back
A ball pushing down on a table and the table pushing up on the ball
A man climbing stairs and holding on the railing
An airplane taxiing down the runway
A car moving in straight line at a constant speed
This image is an example of...
An action-reaction force pair
An action-reaction gravity field
A noncontact force
Balanced forces acting upon a pregnant manatee
Rohan is helping Grace move into her new apartment. He is pushing a heavy box with a force of 25 N, and the friction force on the box from the floor is 15 N. What is the Net force with which Rohan is pushing the box?
10 N to the right
10 N to the left
40 N to the right
35N to the right
If Benjamin (in the baseball cap) pulls the rope in a tug of war with a force of 28 N, and Luna (on the other side) pushes with a force of 12 N, what is the NET Force?
40 N away from Benjamin
16 N toward Benjamin
16 N away from Benjamin
If forces acting on an object are balanced, then there _________
will be no change in motion.
will be a change in motion.
will be a terrible catastrophe involving gravity and two chairs.
are no more marbles.
If you have balanced forces acting on a ball, what happens?
The ball stays still.
The ball keeps going.
The ball floats away.
The ball begins to feel emotionally drained and questions its purpose.
If you have unbalanced forces acting on a ball, what happens?
The ball is in motion, or changing direction.
The ball is in motion is a straight line with no change in direction.
The ball is in motion, but stationary.
The ball begins to feel enlightened and practices mindfulness regularly.
What is true about this picture?
the forces are balanced
the net force is 10N
The net force is 3 N
The net force is 7N
What will happen If these teams pull with the same force?
(two correct answers)
The forces will be unbalanced.
The forces will be balanced.
Jose was playing with a radio-controlled car that moves with a constant force of 150N to the right. Jose would push against it towards the left and see how its motion would change. The results of his experiment are shown in the table.
What would happen when he pushes the car to the left with a force of 150N?
The car will move to the right.
The car will move to the left.
The car will not move.
The car will move backwards.
What is the action-reaction force pair shown?
The bat is pushing the ball and the ball is flying away.
The bat is pushing the ball and the ball is pushing the bat.
The ball is hitting the bat and the batter is swinging.
The batter is holding the bat and the ball is hitting the bat.
What is gravity?
An attractive force between all objects that have mass.
An attractive force between all objects massive enough to be called planets.
An attractive force that causes all massive objects to repel each other.
A push or a pull on objects with magnetic poles.
