Newton's 1st Law
Newton's 2nd Law
Newton's 3rd Law
Laws and Forces
Random
100
Which has more Inertia? (so need more force to move)
A). Truck
B). Ant
C). A cat
D). A skateboard
A). Truck
100
What's the formula for Newton's second law of motion (force)?
A). F= M-A
B). F= A/M
C). F= M x A
D). F= A + M
C). F= MA (F=MxA)
100
Friction and gravity are both examples of a force.
A). True
B). False
A). True
100
The resistance of an object to any change in its motion is called
A). inertia
B). friction
C). gravity
D). weight
A). Inertia
100
Who Came up with the laws of motion?
A). Issac Newton
B). Mark Twain
C). Einstein
D). Leonardo da Vinci
A). Issac Newton
200
What two factors do you use to describe a force?
A). Speed and mass
B). Motion and direction
C). Strength and direction
D). Distance and time
C). Strength and Direction
200
If you use the same force to push a truck and a car which one will have more acceleration and why?
A). The truck because it has more mass
B). The car because it has less mass
C). The truck
D). the car
B). The car because it has less mass
200
Newton's third law states that any action will have a(n) _______ and ______ reaction?
A). Equal and similar
B). Equal and opposite
C). Equal and different
D). Greater and opposite
C). Equal and Different
200
When two equal forces act in opposite directions on an object, they are called
A). Frictional force
B). Balanced force
C). Centripetal force
D). Gravitational force
B). Balanced Force
200
A Newton is a unit of...
A). Force
B). Inertia
C). Acceleration
D). Velocity
A). Force
300
What kind(s) of objects have inertia?
A). All objects with mass
B). Only objects at rest
C). Only objects in motion
D). Only objects whose motion is being changed
A). All objects with mass
300
True or false? It is easier to kick a bowling ball than it is to kick a soccer ball
A). True
B). False
B). False
300
You hit a wall with a stick. The equal but opposite reaction is?
A). The wall pushes against you
B). The stick pushes against you
C). You push against the stick
D). The wall pushes against the stick
D).The wall pushes against the stick
300
"For every action, there is an equal and opposite reaction."
A). Newton's 1st Law
B). Newton's 2nd Law
C). Newton's 3rd Law
D). Newton's 4th Law
C). Newton's 3rd Law
300
Gravity is increased with...
A). Greater mass & shorter distance
B). Greater mass & farther distance
C). Lower mass & shorter distance
D). Lower mass & farther distance
A). Greater Mass & shorter distance
400
An object in motion will stay in what kind of motion as long as the net forces acting on it are zero?
A). Slowing motion in a straight line
B). Accelerating motion in a straight line
C). Constant motion in a straight line
D). Constant motion in an unpredictable direction
C). Constant motion in a straight line
400
An object weighs 30N on earth. A second object weighs 30N on the moon. Which is the greater mass?
A). Object on Moon
B). Object on Earth
C). Same Mass
D). Depends on air resistance
A). Object on Moon
400
A book rests on a table. The force of gravity pulls down on the book with a force of 20 newtons. What prevents the books from accelerating downward at 9.8 m/sec2
A). The table presses back up on the book with an equal and opposite force of 20 newtons.
B). The table presses back up on the book with a force greater than 20 newtons.
C). The table and the book together are accelerating downwards at 9.8 m/sec2
D). The inertia of the book holds it up
A). The table presses back up on the book with an equal and opposite force of 20 newtons.
400
"An object in motion (or at rest) will stay in motion (or at rest) until an outside force acts upon it."
A). Newton's 1st Law
B). Newton's 2nd Law
C). Newton's 3rd Law
D). Newton's 4th Law
A). Newton's 1st Law
400
If you travel to Mars, where gravity is 38% of Earth's gravity, what will happen to your mass and weight?
A). Your mass and weight will both be greater than on Earth.
B). Your mass and weight will both be less than on Earth.
C). Your mass will be the same, but your weight will be less than on Earth.
D). Your mass will be less than on Earth, but your weight will be the same.
C). Your mass will be the same, but your weight will be less than on Earth.
500
After a cannonball is fired into frictionless space, the amount of force needed to keep it going equals?
A). Twice the force with which it was fired
B). The exact amount of force with which it was fired
C). 1/2 the force with which it was fired
D). Zero, since no force it requires to keep it moving.
D). Zero, since no force is required to keep it moving
500
Mike's car, which weighs 1,000 kg, is out of gas. Mike is trying to push the car to a gas station, and he makes the car go 0.05 m/s/s. Using Newton's Second Law, you can compute how much force Mike is applying to the car.
A). 50 newtons
B). 100 newtons
C). 20 newtons
D). 5 newtons
A). 50 newtons
500
A science book with a mass of 2.8 kg is pushed along a table with a net force of 1 N. What is the book's acceleration?
A). 0.28 m/s2
B). 0.32 m/s2
C). 0.36 m/s2
D). 0.38 m/s2
B). 0.32 M/S^2
500
What will be the effect on the boy in the picture if the driver stops quickly?
A). Because of inertia, he will remain in the same position.
B). He will be pushed back into the car seat.
C). He will move from one side of the car seat to the other.
D). He will move forward, pressing against the seatbelt.
D). He will move forward pressing against the seatbelt
500
What is the net force required to keep a 500 kg object moving with a constant velocity of 10m/s?
A). 10N
B). 0N
C). 500 N
D). Not enough Information
B). 0 N