A person standing on ice has a mass of 80 kg. His friend pushes him and is now accelerating at 8 m/s^2. What is the force of the push?
640 N
How much force is needed to get a roller coaster car with a mass of 1,300 kg moving to an acceleration of 15 m/s2?
19,500 N
When a diver jumps off a diving board into a pool, she pushes down on the diving board. The diving board then pushes up against her, launching her into the air. Which law of motion is this describing?
Newton's 3rd Law of Motion
According to Newton's 3rd law of motion, for every action there is an equal and opposite ____________.
reaction
What is the net force of the free-body diagram?
18 N
Is this a balanced or unbalanced force?
balanced
The image is showing an unbalanced force. How do we know it is an unbalanced force?
The amount of force applied in both directions is unequal. One force is greater than the other.
The elephant is free-falling. What force will be in the opposite direction of the force of gravity?
force of air resistance (Fair)
Which bucket has more inertia? The empty bucket or the bucket filled with sand?
The bucket filled with sand has more inertia because it has a greater mass. It will require a greater force to move it.
