Gravity
What is a Newton?
a. unit for weight
b. unit for mass
c. unit for gravity
a. unit for weight
When opposite poles of two magnets are brought together, the poles
a. attract each other.
b. repel each other.
c. cancel each other.
a. attract each other.
If you weigh 500 N and have a mass of 50 kg what the gravity on this planet?
a. 1 m/s2
b. 30 m/s2
c. 10 m/s2
c. 10 m/s2
What is the weight of an person on earth (9.8 m/s2) with a mass of 400 kg
a. 4100 N
b. 4000 N
c. 4500 N
b. 4000 N
What is the mass of an object that weighs 30 N on the planet earth (9.8 m/s2)?
a. 3 kg
b. 1 kg
c. 2 kg
a. 3 kg
What is the primary cause of Earth’s ocean tides?
a. Sun
b. Earth
c. Moon
c. Moon
What is the gravity on the planet earth?
a. 9.8
b. 9.8 m/s
c. 9.8 m/s2
c. 9.8 m/s2
If you weigh 0 N and have a mass of 0 kg what the gravity on this planet?
a. 0 m/s2
b. 23 m/s2
c. 234 m/s2
a. 0 m/s2
What is the weight of an person on earth (9.8 m/s2) with a mass of 1 kg
a. 98 N
b. 0.98 N
c. 9.8 N
c. 9.8 N
What is the mass of an object that weighs 500 N on the planet earth (9.8 m/s2)?
a. 40 kg
b. 60 kg
c. 50 kg
c. 50 kg
The gravitational force between two objects increases as mass
a. decreases or distance decreases.
b. decreases or distance increases.
c. increases or distance decreases.
c. increases or distance decreases.
Your weight equals your
a. mass.
b. mass divided by the net force acting on you.
c. mass times the acceleration due to gravity.
c. mass times the acceleration due to gravity.
If you weigh 50 N and have a mass of 23 kg what the gravity on this planet?
a. 217.88 m/s2
b. 231.45 m/s2
c. 2.17 m/s2
c. 2.17 m/s2
What is the weight of an person on earth (9.8 m/s2) with a mass of 15.76 kg
a. 154.44 N
b. 143.98 N
c. 155.76 N
a. 154.44 N
What is the mass of an object that weighs 20 N on the planet earth (9.8 m/s2)?
a. 1 kg
b. 2 kg
c. 3 kg
b. 2 kg
The force of gravity acting on an object is the object’s ____________________.
a. Weight
b. Mass
c. Volume
a. Weight
As an astronaut travels far away from Earth, her weight
a. decreases because gravity decreases.
b. decreases because her mass decreases.
c. increases because gravity increases.
a. decreases because gravity decreases.
If you weigh 5000 N and have a mass of 223 kg what the gravity on this planet?
a. 21.76 m/s2
b. 22.42 m/s2
c. 2.17 m/s2
b. 22.42 m/s2
What is the weight of an person on earth (9.8 m/s2) with a mass of 41.98 kg
a. 411.40 N
b. 410.23 N
c. 423.21 N
a. 411.40 N
What is the mass of an object that weighs 1200 N on the planet earth (9.8 m/s2)?
a. 100 kg
b. 1200 kg
c. 120 kg
c. 120 kg
The gravity on the surface of Mars is about one-third the gravity on Earth’s surface. The weight of a space probe on the surface of Mars is about
a. 9X greater than its weight on Earth’s surface
b. 3X greater than its weight on Earth’s surface.
c. 1/3 its weight on Earth’s surface.
c. 1/3 its weight on Earth’s surface.
The standard metric unit for mass is _____ and the standard metric unit for weight is _____.
a.kg, N
b.N, kg
c.m/s, N
a. kg, N
If you weigh 10 N and have a mass of 1.2 kg what the gravity on this planet?
a. 22.42 m/s2
b. 8.33 m/s2
c. 6.33 m/s2
b. 8.33 m/s2
What is the weight of an person on earth (9.8 m/s2) with a mass of 1768 kg
a. 17326.4 N
b. 2134.09 N
c. 1756.34 N
a. 17326.4 N
What is the mass of an object that weighs 300 N on the planet earth (9.8 m/s2)?
a. 35 kg
b. 30 kg
c. 40 kg
b. 30 kg