Review 1
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100
Kinetic energy is the energy of?
Motion
100
Which answer choice describes a car that his changing its motion?
a) A car that moves at a constant speed on a straight road.
b) A car that is stopped at a red light
c) a car slowing down to stop at a stop sign
d) a broken-down car that cannot move
C) a car slowing down to stop at a stop sign
100
What could you say about the force or outcome of the people pulling on the rope.
The force is balanced and they will not move.
100
The energy from the first ball will transfer its energy in responce to this transfer the last ball will____
swing away from the others.
200
Does this picture show kinetic energy? Explain
Yes! when the man kicks the mall it will begiven to move.
200
A meter stick and a stopwatch would be used to calculate the _________ of a runner.
Speed
200
What can you saw about the force or outcome from the picture above.
The force is not balanced (4 men on one side and 4 females on the other)
The men will pull the females to the left.
200
When Sam rolled a 5gram marble down a ramp it hit a 10 gram ball and made it roll 3 centimeters. If Sam rolled a 10 gram marble down the same ramp what would happen to the 10 gram ball do?
The ball would roll farther than 3 centimeters
300
What does a ball rolling, a car driving and a student playing on a swing have in common.
They are all objects with kinetic energy
300
Does this graph show that the motion of the car was increasing or decreasing?
Increasing
300
A teacher was moving boxes to her new classroom using a rolling cart.
when the cart is full it required ______ force compared to when the cart was empty.
More
400
If a golf ball rolls from point B to point A what direction would it be rolling in.
B A
East
400
If you pushed each item with the same amount of force which item would move the furthest?
a) stove
b) chair
c) a table
d) refrigerator
b) Chair
400
When we rolled the bowling pin into the bowling pin the energy transfer changed the pins
_________ and ____________
Speed and direction
500
What is an independent variable?
The independent variable is the 1 thing that is changed on purpose to test.
500
Friction is shown in all of the following except...
a) a student sliding a book across the floor
b) kids rubbing hands together to get warm
c) a car parked in the driveway
C) a car parked in the driveway
500
designing a racetrack, brakes for a car, and the wheels for skates all required an understanding of _______ when building them.
Friction