Forces Test - A Flashcards
1
Q
- An object in motion with no unbalanced forces acting on it will
A
Continue to move in its path at a constant speed
2
Q
- An astronaut is planning a trip to a newly-discovered planet. According to the Law of Universal Gravitation, the astronaut’s weight on the new planet will be greater than his weight on Earth if:
A
The new planet has more gravity than Earth.
3
Q
- The size of the gravitational force between two objects depends on their ____________.
A
Masses and the distance between them
4
Q
- In the picture, if the card were quickly pulled off the cup like the arrow suggests, what property would explain why the coin falls into the cup rather than moving with the card?
A
Inertia
5
Q
38 - b. What speed will the skydiver eventually reach? What is this speed called?
A
55 m/s, terminal velocity
