1. Mass is fundamentally related to A. intertia B. volume C. location 2. Which o
ID: 1494886 • Letter: 1
Question
1. Mass is fundamentally related to
A. intertia
B. volume
C. location
2. Which of these in NOT a vector quantity?
A. speed
B. velocity
C. force
3. When your mass increases, your weight
A. also increases
B. decreses
C. transforms to greater volume
4. A car and a heavy truck roll down a hill and reach the bottom at the same speed. Compared with the momentum of the heavy truck, the momentum of the car is
A. less
B. the same
C. zero
5. Which of the following can multiply force?
A. lever
B. system of pulleys
C. seesaw
D. all of the above
6. The potential energy of a satellite in an elliptical orbit is
A. greatest at the apogee (farthest point).
B. greatest at the perigee (nearest point).
C. the same as its kinetic energy
7. When an Earth satllite makes a circular orbit it has a constant
A. distance from earth
B. force of gravity on it
C. speed
D. all of the above
8. The gravitational constant G in Newton's law of gravity
A. has units needed to allow the calculation of force
B. changes the proportion form of the law of gravity toan exact equation.
C. indicates the strength of gravity
D. . all of these
9. What Newton discovered about gravity was that it
A. tells us how to discover new planets.
B. accounts for the existence of black holes.
C. extends at least to the Sun and planets.
10. Gravity was discovered by
A. Aristotle
B. Galileo
C. Early humans
11. A ball rolling along a bowling alley maintains its speed because
A. gravity doesn't pull on it while moving.
B. there is no horizontal force acting on the ball.
C. it behaves as a projectile
12. A communications satellite that orbits at a fixed part of the sky
A. travels at a speed of 8 km/s.
B. takes about 24 hours to complete each orbit.
C. travels at a speed slightly greater than 8 km/s.
13. Water has a high specific heat capacity, which means that water
A. requires a lot of energy in order to increase in temperature.
B. gives off a lot of energy in cooling.
C. absorbs a lot of energy for a small increase in temperature.
D. all of the above.
14. Which of the following emit radiant energy?
A. Ice cubes.
B. The Sun.
C. Earth.
D. All these and every other object.
Explanation / Answer
1.A
2.A
3.A
4.A
5.D
6.A
7.D
8.A
9.C
10.B
11.A
12-
13.D
14.D
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