WorksheetsGravitational force
Total questions: 15
Worksheet time: 6mins
Who first formulated the law of universal gravitation?
Newton
Galileo
Aristotle
Archimedes
What does Newton's Second Law of Motion state?
a = mF
F = m/a
F = ma
m = Fa
In the equation F = ma, what does m represent?
Meters
Mass
Force
Acceleration
How much net force is required to accelerate a 2000 kg car at 3.00 m/s2?
2000 N
4000 N
6000 N
8000 N
If you apply a net force of 3 N on 100 g-box, what is the acceleration of the box?
5 m/s2
10 m/s2
20 m/s2
30 m/s2
Which is true from Newton's Third law of motion?
For every action force there is a smaller reaction force in the opposite direction.
For every action force there is an equivalent reaction force in the opposite direction.
Both 1 and 2
None of the above
What is the net force on 200 g ball when it hits a wall with acceleration of 10 m/s2?
1 N
2 N
3 N
4 N
Are mass and weight the same?
YES
NO
both 1 and 2
none of the above
What will be different on the moon than on the earth?
weight
mass
both 1 and 2
none of the above
What do you multiply mass by to get the weight?
acceleration
energy
density
gravity
The normal force acts on any object that:
Is in a gravity well
Is in a vacuum
Touches a surface
In in the air
What is the normal force acting on a 50 kg dog?
440 N
490 N
540 N
570 N
How big is the net force acting on an object with constant velocity?
0 N
1 N
10 N
100 N
If a net force of 7 N was constantly applied on 400 g object at rest, how long will it take to raise its velocity to 80 m/s?
0 s
2.23 s
3.47 s
4.57 s
What is the unit of measure for force?
Amp
Seconds
Newton
Erg
