Welcome to your Moment Name Email What is the formula of moment (M) M = F/D M = D/F M = F X D None Fill in the gap use a short spanner and apply a forceuse a long spanner and apply a %BLANK% force According to the principle of moments, what must be equal for a system to be balanced? The left and the right force Clockwise and anti-clockwise moments Up and down forces The distances from the pivot None What is the unit for moments? Kilograms (kg) Metres per second (m/s) Newton metres (Nm) Watts (W) None The point around which everything turns is called the _____ centre pivot moment focus None If you use a longer lever, you can ____ increase the force decrease the moment increase the moment not affect the moment None Which of the following is not a way to increase the moment of a force? Change the force type Increase the distance between the force and the pivot Increase the length of the lever Increase the size of the force None What is the main advantage of a bigger spanner? greater length increases the moment It is easier to grip It is heavier to carry None A lever is a simple machine. Which of the following is an example of a lever? A rocket being launched Using a screwdriver to open a can of paint Opening a door Pushing a swing in a playground None Answer the following questions Question:Calculate the upward force on a nail being pulled if the distance from the pivot to the nail is 0.02 m and the horizontal distance from the pivot to the handle is 0.20 m. The person pulls down with a force of 15 N. Answer = N 2. Question:A crowbar is used to lift a rock. The distance from the pivot to the rock is 0.03 m and the distance to where force is applied is 0.18 m. If a person pushes down with a force of 20 N, what is the upward force on the rock? Answer = N 3. Question:A screwdriver is used as a lever to lift a paint can lid. The distance from the pivot to the lid is 0.01 m and the distance to the point where the person pushes is 0.10 m. If the person applies 12 N of force downward, what is the upward force on the lid? Answer = N 4. Question:Using a metal rod as a lever, someone pries open a crate. The pivot to the crate contact point is 0.04 m, and the distance to the force application point is 0.32 m. The person applies 25 N of force. What force lifts the crate? Answer = N 5. Question:A person uses a wrench to lift a stuck valve cover. The distance from the pivot to the valve is 0.015 m and the handle is 0.30 m away. They push down with 18 N of force. What is the resulting upward force? Answer = N Answer the following questions Question 1:A 6 N weight is placed 2 m to the left of a seesaw's pivot. To balance it, how far to the right should a 4 N weight be placed? Answer m — Question 2:A 10 N object is placed 1.5 m from the pivot of a seesaw. What weight must be placed 3 m on the opposite side to balance it? Answer N — Question 3:Two kids are on a seesaw. One weighs 40 N and sits 2.5 m from the pivot. How far from the pivot should a 25 N child sit to balance the seesaw? Answer m — Question 4:A 7 N load is 4 m from the pivot. How far should a 14 N load be placed on the other side to balance the seesaw? Answer m — Question 5:On a seesaw, a 12 N object is placed 1 m from the pivot. What mass (in newtons) is needed at 3 m on the opposite side to balance it? Answer N Time's upYou cannot switch tabs while taking this quiz!You are not allowed to switch tabs violation has been recorded.you cannot minimize full screen mode!You are not allowed to minimize full screen while taking this quiz, violation has been recorded.Access denied! To begin the quiz, please grant this quiz access to your camera.Time is Up!
