Don't forget to check your email for the activation link. Otherwise, you will not be able to login until you activate your account.
Don't forget to check your email for the activation link. Otherwise, you will not be able to login until you activate your account.
Use your email and password to login.
Reset your password.
Lost your password? Please enter your email address. You will receive a link and will create a new password via email.
Please briefly explain why you feel this question should be reported.
Please briefly explain why you feel this answer should be reported.
Please briefly explain why you feel this user should be reported.
Machines
1. Lubricating movable parts of the machine to reduce friction 2. Using Rollers for an inclined plane 3. Reducing the angle of elevation for an inclined plane 4. Using light materials for the parts that have to be lifted by the machine
1. Lubricating movable parts of the machine to reduce friction
See less2. Using Rollers for an inclined plane
3. Reducing the angle of elevation for an inclined plane
4. Using light materials for the parts that have to be lifted by the machine
Force
The quantity of matter contained in an object remains the same everywhere
The quantity of matter contained in an object remains the same everywhere
See less