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100
Your mass would increase as you get farther from Earth. True or False
What is False?
100
Earth's natural satellite is the __________.
What is the moon?
100
Your mass would decrease as you get closer to Earth. True or False.
What is False?
100
Problem: A 0.4 kg object accelerates at 2 m/s/s. What is the net force?
What is .8 N?
100
Unit for mass
What is kilogram?
200
Unit for acceleration
What is m/s/s?
200
If distance increases, then gravity ___________.
What is decreases?
200
Unit for force
What is Newtons?
200
Mass is the amount of _________ in an object.
What is matter?
200
When was the Russian satellite launched? (a) 1947 (b) 1957 (c) 1967 (d) 1977
What is b--1957?
300
Problem: If you exert a net force of 8 N on a 2 kg object, what will its acceleration be?
What is 4 m/s/s?
300
Weight ________ as you get farther from Earth. (a) changes (b) stays the same
What is a--changes
300
Gravity does not necessarily exist between all objects. True or False
What is False?
300
Satellites can be used by (a) meteorologists (b) the Army (c) reporters (d) a and b (e) a, b, and c
What is (e)--a, b, and c?
300
A falling object will reach its _________ when the force of gravity equals the force of air resistance.
What is terminal velocity?
400
In a curved motion, such as in a thrown ball, the horizontal motion is caused by the object's ____________.
What is inertia?
400
Gravity is a/an _______ force. (a) attractive (b) repulsive
What is attractive?
400
If mass is smaller, then gravity is _____________.
What is weaker?
400
The satellite launched by Russia
What is Sputnik?
400
Air resistance depends on three things. What are they?
What is speed, shape, and size?
500
Turning is caused by a net force acting at a/an ________ to the direction an object is moving.
What is angle?
500
Problem: A 1.73 net force is applied to a cart to move it along a track at 3.46 m/s/s. What is the cart's mass?
What is .5 kg?
500
Gravity depends on ______ and ______.
What is mass and distance?
500
In a curved motion, such as a thrown ball, the vertical motion is caused by the object's __________.
What is gravity?
500
A net force can cause acceleration in what 3 directions?
What is the same direction, the opposite direction, at an angle?