WorksheetsConceptual Physics
Total questions: 29
Worksheet time: 41mins
Name
Class
Date
1.
The amount of matter in an object
a)
mass
b)
weight
c)
inertia
d)
gravity
2.
What states that "every object in the universe attracts every other object"?
a)
Law of Universal Gravitation
b)
Newton's First Law of Motion
c)
My mother
d)
Inertia & gravity
3.
Which of the following is Newton's Law on Gravitation?
a)
F=Gm1m2/r
b)
F = Gm1m2/r2
c)
F = Gm1m2/2r
d)
F = m1m2/2r
4.
The moon and other satellites rotate around the earth. Identify the force that keeps these satellites in orbit.
a)
gravity
b)
friction
c)
a strong force
d)
electromagnetic force
5.
Two factors affecting the magnitude of the force of gravity between 2 objects are...
a)
mass and distance
b)
mass and matter
c)
distance and weight
d)
weight and mass
6.
Force of gravity is directly proportional to
a)
Mass
b)
Weight
c)
Distance
d)
Time
7.
Force of gravity is inversely proportional to
a)
Mass
b)
Weight
c)
Distance
d)
Time
8.
If I double the distance between two objects, what happens to their gravitational Force?
a)
4x bigger
b)
4x smaller
c)
2x bigger
d)
2x smaller
9.
If I double the mass of one object, but don't change anything else... WHat happens to the gravitational force between two objects?
a)
Doubles
b)
Quadruples
c)
Cut in Half
d)
4x Smaller
10.
What happens to Gravitational force if I double both of the masses but don't change their distance?
a)
doubles
b)
half as big
c)
4x bigger
d)
4x smaller
11.
At the top of a rollercoaster loop, In what directions do gravity and the normal force point. A free body diagram is useful to help answer the question
a)
gravity: down, normal force: up
b)
gravity: down, normal force: down
c)
gravity: down: normal force: direction of motion
12.
A satellite of mass m and speed v orbits the Earth at a distance r from the centre of the Earth. The gravitational field strength due to the Earth at the satellite is equal to.
a)
v/r
b)
v2/r
c)
mv/r
d)
mv2/r
13.
Calculate the velocity of an object moved around a circle with a radius of 1.65 m and an acceleration of 3.5 m/s2.
a)
2.4 m/s
b)
3.6 m/s
c)
3.9 m/s
d)
4.2 m/s
14.
Centripetal force is...
a)
the resultant force acting on a body moving at constant speed in a circle
b)
the outwards force acting on a body moving at constant speed in a circle
15.
Calculate the velocity of an object moved around a circle with a radius of 1.65 m and an acceleration of 3.5 m/s2.
a)
2.4 m/s
b)
3.6 m/s
c)
3.9 m/s
d)
4.2 m/s
16.
Calculate the centripetal force required to make a 5 kg ball move 4 m/s in a circle with a radius of 2 m.
a)
10 N
b)
20 N
c)
30 N
d)
40 N
17.
Bruno the bat flies at a speed of 0.5 m/s in circle of radius 1 m. What is his acceleration?
a)
0.25 ms-2
b)
0.5 ms-2
c)
1 ms-2
d)
2 ms-2
18.
Which represents the acceleration of the ball?
a)
A
b)
B
c)
C
d)
D
19.
Objects moving with constant speed in a circular path experience
a)
constant motion
b)
linear acceleration
c)
angular acceleration
d)
centripetal acceleration
20.
How would you write 4.3756 x 104 in standard form?
a)
437,560,000
b)
0.00043756
c)
43,756
d)
4,3756
21.
How would you write 0.0005 in scientific notation?
a)
50 x 105
b)
5 x 10-4
c)
5 x 104
d)
.5 x 103
22.
When writing a number in scientific notation, the first number must be greater than 1, but less than 10.
a)
False
b)
True
23.
Express the following in standard notation:
8.025 x 10-8
8.025 x 10-8
a)
.00000008025
b)
.000000008025
c)
802,500,000,000
d)
80,250,000,000
24.
Express the following in scientific notation:
10,030,400,000
10,030,400,000
a)
1.00304 x 109
b)
1.00304 x 1010
c)
1.00403 x 1010
d)
1.00304 x10-10
25.
If you go above the Earth so you are four times the distance from the center, your weight would be...
a)
16 times as much
b)
4 times as much
c)
1/4 as much
d)
1/16 as much
26.
If you go to a planet that is the same size as earth (same radius) but had twice the mass, your weight will be...
a)
4 times as much
b)
2 times as much
c)
1/2 as much
d)
1/4 as much
27.
As you get farther from Earth
a)
g gets smaller
b)
G gets smaller
c)
g gets bigger
d)
G gets bigger
28.
As you dig down towards the Earth, your weight
a)
increases
b)
decreases
c)
stays the same- weight does not change
29.
What is the force causing a car rounding a bend
a)
gravity
b)
friction
c)
tension
d)
force
100 %
