Which statements correctly describe forces? Check all that apply.Forces have the ability to change an object’s state of motion.Forces are vectors. Forces are measured in joules.Forces are measured in newtons.Forces can have a positive or negative value to indicate direction.
Alisa, a skateboarder, is riding down a hill. If Alisa and the skateboard are considered a single object, what forces are acting on her? Check all that apply.pushgravitynormal forcefrictiontension
A book is at rest on a table. Identify the correct free-body diagram for this situation.
Which of these would be a part of a force diagram for this image? Check all that apply.
What is the net force acting on the piano?
Examine the forces acting on a car on a ramp. Select the forces or force components that need to be added together to calculate the net force in the x-direction. Check all that apply.
Identify the situations that have an unbalanced force. Check all that apply.a weight speeds up as it falls through the aira garbage can is at rest on the grounda hockey puck moves in a straight line at a constant speeda bumper car hit by another car moves off at an anglea balloon flies across the room when the air is released
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