True or false: statics and torque

Exercise and reference answers

Questions

1. Statement is true

   Yes

   Statement

   Equilibrium needs zero net force and zero net torque.

2. Statement is true

   No

   Statement

   A rotating object can never be in equilibrium.

3. Statement is true

   Yes

   Statement

   The lever arm runs from pivot to line of action.

4. Statement is true

   No

   Statement

   In unstable equilibrium a nudge is undone.

5. Statement is true

   Yes

   Statement

   Weight acts through the centre of gravity.

Instructions

Tap True or False for each statement.

Explanation