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WorksheetsForces and Motion Practice Test
Total questions: 78
Worksheet time: 2hrs 33mins
8 N to the left , and 4 N to the right. Find the net force. Is this balanced?
12 N Right No
4 N Left No
12 N Right Yes
4 N Left Yes
When objects are changing their speed or their direction.
force
energy
acceleration
friction
A train that travels 100 kilometers in 4 hours is traveling at what average speed?
50 km/h
100 km/h
400 km/h
25 km/h
In the image, what force does arrow A represent?
friction
gravity
push
Jedi force
A car accelerates down the road. What is the “reaction” to the tires pushing on the road?
the air in the tires moving the car
the mass of the car pushing on the tires
the road pushing on the tires
the road moving away from the tires
Imagine you could throw a ball in a frictionless environment such as outer space. Once you let go of the ball, what will have happened to the ball according to the Law of Inertia (Newton’s 1st Law)?
It will travel in a straight line forever.
It will travel in a straight line but eventually slow down.
It will continue to speed up forever.
It will slow down and turn.
How does Newton’s first law of motion apply to a ball rolling across the gym floor after an unbalanced force is applied?
The ball will stop at the line halfway across the gym.
The ball will continue to roll until an unbalanced force in applied.
The ball will start bouncing until it hits the wall.
The ball will roll in a zigzag pattern to the other end of the gym.
The law requires all people riding in a car to wear seat belts. If the car suddenly stops, the seat belts hold the passengers in place. How does Newton’s first law of motion apply when a person is not wearing a seat belt?
The passengers will continue moving forward due to inertia.
The passengers will move backward into the seat.
The passengers will lean into another passenger’s seat.
The passengers will not be affected by the sudden stop of the car.
When a car suddenly stops at a red light, a book lying on the car seat slides forward. Why does the book continue to move forward?
The book loses its backward force.
The car moves in reverse more rapidly than the book.
The friction of braking transfers energy to the book.
The book’s inertia causes it to continue moving.
John stands at the top of a steep hill and pushes a ball over the edge with his foot. Which forces causes the ball to continue rolling down the hill?
mass
gravity
friction
air resistance
Allen pushes a toy car across three different surfaces. He pushes the car across a wooden floor, tile floor and a carpeted floor. He notices it is hardest to push on the carpeted floor. Which is the MOST LIKELY reason it is hardest to push?
The car has more mass when it is on carpet
The carpet creates more friction than the other surfaces
The car is affected most by gravity on the carpet
The carpet pushes more against the car than the other surfaces
Don throws a ball in the air. The ball comes back to the ground because
the wind pushes on the ball with friction
the mass of earth creates a pull of gravity on the ball
the core of earth pulls on the ball with a magnetic attraction
the weight of the atmosphere pushes down on the ball
According to the graph how far does the person travel in the first 5 seconds?
2 m
10 m
0 m
5 m
Are these forces balanced or unbalanced?
Balanced
Unbalanced
You and your dad are moving the couch from one side to another. Your dad pushes with a force of 35 N (newtons) to the right and you push with a force of 25 N to the right. What is the net force on the couch?
60 N right
10 N left
10 N right
50 N left
What happens when two objects, such as a baseball and a bat, collide?
They hit each other with the same force in the same direction.
They hit each other with the same force in opposite directions.
They hit each other with unequal force in opposite directions.
One remains still while the other one moves in the same direction.
Force is measured in units called Newtons. The greater the force, the more Newtons of force applied to
an object. With that in mind, which situation will result in the object moving the fastest after being
struck?
striking a 100 g object with 100 Newtons of force
striking a 100 g object with 200 Newtons of force
striking a 200 g object with 100 Newtons of force
striking a 200 g object with 200 Newtons of force
The BEST example of balanced forces is a
car increasing speed.
bus parked in a garage.
ball kicked along a flat surface.
roller coaster slowing down on an incline.
Dylan wants to move his fish tank from his living room to his bedroom. He tries moving his fish tank with
it full of water. He notices that this is too difficult and decides to empty the water from the fish tank to
move it. Why was it easier for Dylan to move his fish tank without water?
When empty, the fish tank has more mass and more inertia.
When empty, the fish tank has less mass and more inertia.
When empty, the fish tank has more mass and less inertia.
When empty, the fish tank has less mass and less inertia.
