What step should the students take next in the investigation to increase the strength of the motor? (S8P5. c.)
A Reduce the size of the axle running through the center of the motor.
B. Increase the number of coils of wire within the two sections of the motor.
C. Decrease the voltage of the power source being used to operate the motor.
D. Place the permanent magnets and coils of wire farther apart inside the motor.

How are calculation for velocity and speed different

Aknife blade is a(n) a. lever b. screw c. wedge d. inclined plane

Which statement correctly describes the current in a circuit that is made up of any two resistors connected in parallel with a battery? a. the current in the battery and in each resistor is the same b. the current the battery equals to the sum of the currents in the resistors c.the current in the battery is less than the current in either resistor d. the current in the battery equals to the product of the currents in the resistors