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WorksheetsForce and Motion Science Review
Total questions: 25
Worksheet time: 28mins
To make an object move you must first apply ---
an opposing force
an unbalanced force
a stationary force
a vertical force
a force is best defined as ---
the application of weight
a push or pull that is exerted on matter
the flow of electric charges
a bond in which electrons are shared
A student pushes against a wall with 20 N of force and the wall does not move. In this situation, the wall exerts --
0 N of force
less than 20 N of force
20 N of force
more than 20 N of force
Which change would require more force to pull the wooden block up the ramp?
Have the student use two hands
Reduce the mass of the wooden block.
Restack the books so the thinnest book is on the bottom.
Glue sandpaper to the surface of the ramp.
Oliver stepped onto a three-car subway train with standing room only. What caused him to fall backward into other riders when the train suddenly moved forward?
He was riding in the last car of the train.
He had heat exhaustion from the overcrowded train.
Oliver's body resisted a change in the subway train's inertia.
Oliver's body was responding to the force of gravity.
Which law of motion predicts that a moving hockey puck will continue to move in the same direction at the same speed unless acted upon by another force?
Newton's First Law of Motion
Newton's Second Law of Motion
Newton's Third Law of Motion
Newton's Law of Universal Gravitation
Which law explains the relationship among mass, force and acceleration?
Universal Law of Gavitation
Newton's First Law of Motion
Newton's Second Law of Motion
Newton's Third Law of Motion
The force of an object, with a certain mass accelerating at a certain rate, can be determined by using the equation below.
force = mass x acceleration
Which object would have the greatest force?
A 5 kg object accelerating at 10 m/s
A 5 kg object accelerating at 20 m/s
a 20 kg object accelerating at 4 m/s
a 20 kg object accelerating at 3 m/s
Which of these would be different for an object if measured on the Earth and on the Moon?
Mass
Weight
Volume
Density
The diagram below show the forces acting on a soccer ball.
In which of the diagrams will the ball remain motionless?
W
X
Y
Z
In the diagram below, a girl sits on a sled and slides down a hill of snow. Which arrow represents the force of friction opposing the motion of the sled down the hill?
Arrow A
Arrow B
Arrow C
Arrow D
Which of these examples best illustrates Newton's Second Low of Motion?
A 100 Ib boy has twice as much inertia as a 200 Ib boy.
A truck needs a more powerful engine than a small car.
A hockey puck slides easily across the ice.
A satellite stays in orbit for a long time.
Which setup below would require the least force to lift a 100-gram mass a distance of 10 centimeters?
According to Newton's Third Law of Motion, if Mike pushes down on the springboard to being his dive, what is the reaction force?
Mike splashing into the water
The springboard pushing Mike into the air
The height of the water when Mike enters the water
The sound the board makes as he pushes into the air
Which principle best explains why the sprinkler spins?
Every action has an equal and opposite reaction.
Solid substances are usually more dense than liquid substance.
Energy is released when water condenses.
Most substances expand when heated and contract when cooled.
Ana pushed on a big rock in her back yard. She was unable to get it to move because she did not -
apply enough force
have a good grip on the rock
have enough mass
weigh enough
Many bicycles use a hand brake to control their speed. When the brake is engaged, a rubber pad presses against the tire. What force of motion does the hand brake rely upon to slow the bicycle?
Gravity
Friction
Electricity
Magnetism
Which of the following situations is an example of Newton's third law of motion?
A boy jumping on a trampoline
A boy falling forward when a bus stops
A chair sitting on the floor
An apple falling from a tree
In a head-on collision, a person who is not wearing a seat belt continues to move forward at the original speed of the car because of -
weight
mass
gravity
inertia
A recent space shuttle mission carried a piece of cargo that had a mass of 122 kg with a weight of 1195.6 N. While orbiting the Earth, the astronauts weighted the equipment again and found it to be 24.4 N.
What was the mass of the equipment at this point?
122 kg
7.6 kg
4.88 kg
2.49 kg
Two school classes are playing tug-of-war with a rope. One class pulls on the rope with a 75 N force to the left, while the other pulls with a 40 N force to the right. Which two statements describe this situation?
The forces are balanced, and the rope does not move.
The forces are unbalanced, and the rope will move to the left.
The net force on the rope is 115 N to the right.
The net force on the rope is 35 N to the left.
s=td
Nicki rides her bike at a constant speed for 6 km. That part of her ride takes her 1 hour. She then rides her bike at a constant speed for another 9 km. That part of her trip takes her 2 hours. What is her average speed?
3.00 km/h
5.00 km/h
5.25 km/h
7.50 km/h
Do you believe that you are pulled towards your science book, a bunch of grapes in your lunch, and your school building because of universal gravitation? Which two statements about universal gravitation are true?
Gravity acts between you and each of these objects because all
have mass.
Gravity does not act between objects that are far apart, such as you and the sun.
Gravity only pulls things in a downward direction, such as toward Earth's surface.
Gravity acts between any two objects in the universe.
Pam’s family is clearing some land, and there is a large boulder sitting on top of the ground. Even with the entire family pushing on it, they cannot move it. Which type of friction exists between the boulder and the ground?
fluid
rolling
sliding
static
Describe each of Newton's Laws of Motion and provide an example after each description. Remember, there are 3 laws of motion.
Rubric: 5pts-Student provides a description of all three laws.
5pts- Student provides an accurate example of all three laws.
