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WorksheetsEFM Check in 1
Total questions: 25
Worksheet time: 21mins
Friction is a force that acts
in the same direction as the motion
opposite to the direction of the motion
opposite to the applied forces
the same direction as the applied force
You push on a tree with 20 N of force. If the tree doesn't move, the tree is pushing back on you with _____ of force.
20N
40N
10N
70N
What unit do we measure force in?
Newtons
Joules
Force
Don't know
In a tug of war at a community sports event, the left team pulls with a force of 200N. The right team pulls with a force of 150N.What is the net force?
50N to the left.
350N to the left.
350N to the right.
50N to the right.
When pushing a heavy box across the floor, what is the force that makes it difficult to move?
velocity
friction
inertia
position
During which interval is the car speeding up?
A to B
B to C
D to E
E to F
The amount of matter within an object.
Weight
Mass
Atomic Number
Density
For every action there is an equal and opposite reaction.
Law 1
Law 2
Law 3
This is not true
As the mass of two objects increases, gravity...
Decreases
Increases
Stays the same
True or False: If an astronaut named Alice is conducting experiments on the moon, her mass remains unchanged.
True
False
As the distance between the Earth and a satellite increases, gravity...
increases
decreases
stays the same
What surface would probably offer the least friction if you were to slide a box across it?
On a snowy day, will a sled travel faster over a smooth, icy path or a rough, snowy path?
Smooth, icy path
Rough, snowy path
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.
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
According to Newton's Third Law of Motion, if Mike pushes down on the springboard to begin 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
6.8C- To calculate the speed of a car, which two measurements are essential?
Position and time
Distance and time
Position and direction
Distance and direction
6.8D- During a science experiment, a student dropped a metal ball from a height of 150 m. The graph shows the distance the metal ball traveled from its initial position to where it hit the ground.
What information does the graph give you about the speed of the metal ball over time?
The ball travels at a constant speed.
The speed of the ball increases over time.
The speed of the ball decreases over time.
The speed of the ball increases at first, and then decreases as time increases.
Which picture of the rock has the LEAST amount of potential energy and the GREATEST amount of kinetic energy? Read the answers carefully!
Rock A
Rock B
Rock D
Rock E
6.8A- Kinetic Energy is the energy of:
Potential
Motion
Storing Energy
Fuel
If a lizard can run 8 m across the water in 4 seconds, how fast is he traveling?
32 m/s
2 m/s
2 seconds
34 meters
Imagine an astronaut lands on Jupiter, which has a significantly higher mass compared to Earth. How would the astronaut's weight compare to their weight on Earth?
The astronaut would weigh more on Jupiter than on Earth
The astronaut would weigh somewhat less on Jupiter than on Earth
The astronaut would have the same weight on Jupiter as on Earth
The astronaut would be weightless on Jupiter
While working on a project about historical scientific achievements, a student wonders, 'Who formulated the fundamental principles that govern the motion of objects?'
George Washington
John Adams
Sir Isaac Newton
Imagine you're in a car that's accelerating from a stoplight. Which of the following units would you use to describe the car's acceleration?
meters (m)
seconds (s)
meters per second squared (m/s2)
kilograms (kg)
