No student devices needed. Know more
24 questions
What is the mass of a 1000N person? (in kg)
102 kg
10.2 kg
102000 kg
9800 kg
• A girl weighs 745 N. What is her mass
754.8 kg
76 N
76 kg
7.301 kg
There is an "Impostor" among us... Which is the following is NOT a unit for Newtons?
N
kg x m/s2
kg x m/s
As mass increases, inertia ______
Increases
Decreases
Stays the same
What is the weight of a 5 kg mass?
1.96 N
9.8 N
0.51 N
49 N
measure of how much matter there is in something
Weight
Velocity
Mass
Momentum
Check all of the forces.
Gravity
spring
friction
air resistance
tension
How much force is needed to lift a 25 kg mass?
39.2 N
245 N
2.45 N
0 N
The acceleration due to gravity near Earth’s surface has the value _____ m/s2.
98
9.8
0.98
6.626x10^-34
The greater the ______, the greater the gravitational force on that object.
weight
velocity
mass
height
On Earth, what is the weight of a large-screen TV that has a mass of 75 kg?
73.5 N
735
7350
7.35
The acceleration due to gravity on the moon is about 1.6 m/s2. If you weigh 539N on Earth, how much would you weigh on the moon?
55 N
340 N
0 N
88 N
What is the unit for mass?
N
kg
m/s
m
If you were to draw a force diagram of this chandelier, which forces would you include?
Force of friction
Tension force
Force of gravity
drag force
When you drop a hammer and paper ball on the moon, which object will hit the ground first?
The hammer
The feather
They will fall at the same time
Find the acceleration due to gravity on Mars if a person with a mass of 60.0kg weights 222N on Mars.
3.7 m/s
22.6 m/s^2
22.6 m/s
3.7m/s^2
Find the force exerted by a rope on a 10-kg mass that is hanging from the rope.
102 N
98 N
1.02 N
0.9 N
According to the Law of__________, the gravitational force between two objects depends on the masses of the objects and the distance between them.
___________ formulated the law of universal gravitation, which he published in 1687.
Galileo Galilei
Isaac Newton
Johannes Kepler
Aristotle
Using the law of universal gravitation and Newton’s laws of motion, two astronomers independently calculated the orbit of which planet in 1846??
Saturn
Neptune
Jupiter
Pluto
Earth
The centripetal force is always __________ to the direction of motion.
Parallel
Perpendicular
Adjacent
Which of the following equations represents the law of universal gravitation?
G = F(m1m2/d2)
F = G(d2/m1m2)
F = G(m1m2/d2)
F = G(m1 - m2/d2)
The measure of the gravitational force exerted by Earth on an object is the object’s ______
Do I weigh more or less on the moon? (Careful, mass and weight are not the same)
More
Less
The same
Explore all questions with a free account