Will give brainlest to whoever answers all of em correct A 10 kg object needs to be lifted by 1 kg object using a simple machine.

2. with a 1 meter resistance arm, what length of force arm will be required?

3. how many suspending ropes a pulley system are required? 4. what axle radius is required with a wheel radius of 100 cm?

Which are examples of projectile motion? choose all that apply a. a soccer ball rolling across the ground in the northeast direction b. a car turning a corner, so it is heading south c. a javelin flying through the air d. a tennis ball lobbed over the net

Edward tolman explained the results of his study by theorizing that the rats were learning about the maze during every trial but they a. were agitated because other groups were getting reinforcement b. could not remember how to demonstrate it without reinforcement c. were not motivated to demonstrate it without reinforcement d. seemed to be too lazy to actually work without reinforcement

Describe uniform velocity and variable velocity in short