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WorksheetsGeneral Physics 1: 2nd Quarter Review Quiz
Total questions: 17
Worksheet time: 9mins
The following factors affects the gravitational potential energy of an object above Earth’s surface EXCEPT_____?
Acceleration due to gravity
Mass of the object
Shape of the object
Height / distance
Pendulum is an example of what angular momentum?
Rotating point mass
Orbital Angular Momentum
Rotating rigid body
Rotating angular momentum
Two objects with masses m1 and m2 are placed at distances r1 and r2 of planet with a mass M. If r2 > r1, what can be said about their gravitational potential energies?
U1 < U2
U1 > U2
U1 = U2
None of these
How does Newton’s Law of Gravitation relate to Kepler’s Third Law?
Newton’s Law contradicts Kepler’s Third Law
Newton’s Law explains the elliptical shape of the orbits.
Newton’s law is only applicable to objects on Earth, not to celestial bodies.
Newton’s Law provides the force necessary for the planets to follow Kepler’s Third Law
During an inelastic collision, when two objects collide and stick together, what is the total kinetic energy of the system after collision compare to before collision?
Less after collision
Greater after collision
Equal after collision
Zero after collision
If the distance between two masses is increased to three times its original value, the gravitational force between them will be _____.
One-third of the original force
Three times the original force
One-ninth of the original force
Nine times the original force
The total force experienced by an object is equal to zero. Therefore, the object ______.
is in equilibrium state
has balance forces
in equal distribution of force
All of the above
If an ice skater spinning in one foot extends her arms, her moment of inertia will _____ and her angular velocity will _____.
increase
decrease
increase, decrease
decrease, increase
The sinusoidal wave function is given by y (x,t)=Asin(kx−ωt) . the symbol ω represents which of the following?
Amplitude
Angular frequency
Wavelength
Wave speed
The coefficient of restitution is equal to zero when this type of collision occurs.
Elastic
Inelastic
Perfectly elastic
Perfectly inelastic
It refers to the product of force F applied at a distance r of moment arm.
Impulse
Momentum
Torque
Work
Based on Newton’s Law of Universal Gravitation, the _____ the mass of an object, the _____ the gravitational force between them.
smaller, weaker
larger, smaller
larger, stronger
smaller, stronger
The centripetal force experienced by the object orbiting a planet is due to ______.
gravitational force
orbital speed
frictional force
inertia
How does impulse affect the momentum of a system?
Impulse decreases the momentum.
Impulse has no effect on momentum.
Impulse changes the momentum.
Impulse and momentum are unrelated.
What happens to the gravitational force between two objects if the mass of one object is doubled while the distance between them remains constant?
It triples
It doubles
It halves
It remains the same
In an inelastic collision, which of the following quantities is conserved?
Momentum only
Kinetic energy only
Both momentum and kinetic energy
Neither momentum nor kinetic energy
Which of the following statements is true regarding the gravitational potential energy of an object at a height h above the Earth's surface?
It remains constant regardless of height
It decreases with height
It is zero at all heights
It increases with height
