Mechanics I Review Question Preview (ID: 30256)
Review Of Motion(speed, Velocity, Acceleration), Forces And Newton's Laws Of Motion.
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What is the factor(label) on the y-axis, when illustrating acceleration?
a) velocity (m/s)
b) distance (m)
c) time (s)
d) acceleration (m/s^2)
A bowling ball hits the pins, sending the pins flying for a strike. This is an example of Newton's ____ Law of Motion.
a) First
b) Second
c) Third
d) Fourth
Which object has more momentum?
a) A mouse sitting still
b) An elephant sitting still
c) A mouse running 1 m/s
d) An elephant running 5 m/s
Which is an example of velocity?
a) 4 m/s
b) 3 m/s/s
c) 7 m East
d) 7 m/s East
In a game of tug of war, Team Dog is pulling the rope at a force of 50 N to the right. Team Cat is pulling the rope at a force of 25 N to the left. Calculate the net force.
a) 50 N right
b) 25 N right
c) 25 N left
d) 75 N left
Your feet pushes down on the floor and the floor pushes up at your feet as you walk. This is an example of Newton's ___Law of Motion
a) First
b) Second
c) Third
d) Fourth
The mass of a rocket on Earth is 300 kg. The rocket goes to the moon, what happens to the mass?
a) the mass increases
b) the mass decreases
c) the mass remains the same
d) the mass depends on the gravity
____ is the force that opposes motion.
a) Momentum
b) Velocity
c) Friction
d) Acceleration
You would weigh more on Jupiter than on the Earth. What is the cause for the change in weight?
a) you have more mass on Jupiter
b) the gravitational pull of the Earth is greater than Jupiter
c) the gravitational pull of Jupiter is greater than the Earth
d) the statement is false. Weight is constant.
Which force does not cause a change in motion?
a) unbalanced force
b) friction
c) gravity
d) balanced force
Rolling, fluid and sliding are types of ____ friction
a) net
b) static
c) kinetic
d) force
On a distance-time graph, a horizontal slope indicates ___.
a) no motion, at rest
b) constant speed
c) constant acceleration
d) time has stopped
A moped, which is out of gas, has a mass of 100 kg is being pushed by its owner at an acceleration of 0.2 m/s^2. How much force is being applied to make the moped move?
a) 100 N
b) 2 N
c) 20 N
d) 102 N
The law of acceleration uses the formula f = ma. It is also known as Newton's ____ Law of Motion.
a) First
b) Second
c) Third
d) Fourth
Calculate the speed of a cheetah who runs 35 meters in 7 seconds.
a) 39 m/s
b) 245 m/s
c) 5 m/s
d) 28 m/s
The gravitational force between objects depends on ____.
a) the mass of the objects
b) the distance between the objects
c) the mass of the objects and the distance between the objects
d) the time it takes to move from one object to the next
The law of inertia is associated with Newton's ___ Law of Motion.
a) First
b) Second
c) Third
d) Fourth
All objects in the universe atrract each other through gravitational force is an overview for ____.
a) Newton's First Law of Motion
b) Newton's Second Law of Motion
c) Newton's Third Law of Motion
d) Newton's Law of Universal Gravitation
The law of interaction or action-reaction is better known as Newton's ____ Law of Motion.
a) First
b) Second
c) Third
d) Fourth
____ is when an object changes position in a certain amount of time in relation to a reference point.
a) Speed
b) Velocity
c) Acceleration
d) Motion
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