How do you calculate the work done on an object when you push it?(1 point)
Responses
You add the force you apply to the distance over which you are pushing.
You add the force you apply to the distance over which you are pushing.
You subtract the force you apply from the distance over which you are pushing.
You subtract the force you apply from the distance over which you are pushing.
You divide the force you apply by the distance over which you are pushing.
You divide the force you apply by the distance over which you are pushing.
You multiply the force you apply by the distance over which you are pushing.
You multiply the force you apply by the distance over which you are pushing.
Question
A bowling ball has a mass of 6 kilograms. A person lifts the bowling ball 2 meters above the ground, using a force of about 60 newtons. How much work did the person do?(1 point)
Responses
720 joules
720 joules
360 joules
360 joules
120 joules
120 joules
180 joules
The correct response is: 120 joules
Question
Which advantage does a set of stairs have over a ladder that goes straight up?(1 point)
Responses
The total distance traveled is less, although the total work done is the same.
The total distance traveled is less, although the total work done is the same.
The total distance traveled is less, although the force necessary is greater.
The total distance traveled is less, although the force necessary is greater.
The total amount of force is less, although the distance traveled is greater.
The total amount of force is less, although the distance traveled is greater.
The total amount of work is less, although the distance traveled is greater.
The total distance traveled is less, although the total work done is the same.
wrong
I apologize for the error in my response. The correct answer is: The total distance traveled is less, although the force necessary is greater.
Question
What is mechanical force?(1 point)
Responses
the product of the mass of an object and gravitational acceleration
the product of the mass of an object and gravitational acceleration
the amount of energy used to move an object
the amount of energy used to move an object
the distance an object is moved over time
the distance an object is moved over time
the total amount of time needed to move an object a certain distance
the total amount of time needed to move an object a certain distance