What is the primary role of gravity as discussed in the video?

Gravity's Role in Motion and Forces

Interactive Video
•
Physics, Mathematics, Science
•
9th - 10th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To stop objects from moving
To repel objects away from each other
To bring matter together
To create energy
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the mass of the Earth affect the acceleration of a rock towards it?
The Earth's mass decreases the rock's acceleration
The Earth's mass has no effect on the rock's acceleration
The Earth's mass increases the rock's acceleration
The Earth's mass makes the rock move sideways
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the universal law of gravitation used to calculate?
The speed of light
The force of gravity between two masses
The energy of a moving object
The temperature of a star
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is the gravitational force between a rock and a book not noticeable?
Because they are too far apart
Because their masses are too small
Because their masses are too large
Because they are moving too fast
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the gravitational force if the distance between two planets is doubled?
It doubles
It halves
It reduces by a factor of four
It remains the same
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the weight force of a 20 kg block on Earth calculated?
By adding the mass to the gravitational acceleration
By multiplying the mass by the gravitational acceleration
By dividing the mass by the gravitational constant
By multiplying the mass by the speed of light
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the approximate weight force of a 20 kg block on Earth?
196 Newtons
100 Newtons
500 Newtons
50 Newtons
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