An object with a mass of 5 kg rests on a plane inclined 30º from horizontal. What is the component of the weight force that is parallel to the incline?
Question 3
3.
Given static and kinetic friction between two surfaces, which has a greater value? Why?
Question 4
4.
A 40 kg crate is being pushed horizontally across a floor. Its coefficient of kinetic friction is 0,4. What is the kinetic frictional force acting on the crate?
Question 5
5.
When the mass of an object increases then gravity (g) ....
Question 6
6.
An object at rest (with no additional forces) on an inclined plane has the following forces:
A normal force, which is equal and opposite to _______
A frictional force, which is equal and opposite to _________
Other Answer Choices:
F⊥
F//
Fg (force of gravity)
Fnet
Question 7
7.
Friction acts:
Question 8
8.
How would the absence of friction affect a marble traveling on a long, straight path?
Question 9
9.
How do you lower the friction force on a crate which is moving?
Question 10
10.
How do you lower the friction force on a crate which is NOT moving?
Question 11
11.
Name the missing force...
Question 12
12.
Name the missing force...
Question 13
13.
Which diagram best shows person pushing a couch (accelerating) across the floor?
Question 14
14.
Which diagram best shows person pushing a couch (at constant velocity) across the floor?