Waseem is studying the center of mass. He knows that the center of mass is the point where the entire mass of a body can be considered to be concentrated. For a uniform rectangular plate, where is the center of mass located?

Chloe is studying the equilibrium of a book lying on a table. She knows that the forces acting on the book are balanced. What is the condition for a body to be in equilibrium?

A body is in equilibrium when its:

Oliver is studying fluid friction. He knows that fluid friction is the resistance offered by fluids. Which of the following is an example of fluid friction?

Formula of momentum is:

Unit of force in SI system is:

Ibrahim is studying the motion of a car on a curved road. He knows that the car needs a force to keep it moving in a circle. What is this force called?

Which of the following is an example of action-reaction pair?

Victor is studying the principle of moments. He uses a seesaw and balances two children of different weights. What must be equal for the seesaw to be balanced?

Tina is studying planetary data. She knows that the orbital speed of a planet depends on its distance from the Sun. Which planet has a higher orbital speed: Venus or Saturn?

Impulse is equal to:

Zara is studying the methods of reducing friction. She knows that friction can be reduced in various ways. Which method is used to reduce friction between moving parts of machines?

Action and reaction forces act on:

Tina is studying the second condition of equilibrium. She knows that for a body to be in equilibrium, the sum of all torques acting on the body must be zero. What is the second condition of equilibrium?

David is balancing a seesaw with two friends of different weights. He moves the heavier friend closer to the pivot to balance it. What principle is he applying?

Momentum of a body depends on:

Rachel is analyzing the stability of a tall building. She knows that a building is more stable if its center of mass is lower. What type of equilibrium does a building with a low center of mass have?

Xia is studying friction. She knows that friction is a force that opposes relative motion. What is the direction of the frictional force on a box being pushed to the right?

Waseem is studying the stability of objects. He knows that a cone lying on its side is in neutral equilibrium. What happens if it is displaced?

Uma is studying the conditions of equilibrium. She knows that for a body to be in equilibrium, the sum of all forces and the sum of all torques must be zero. What is the second condition of equilibrium?

If mass of a body is doubled and force remains same, acceleration will:

Rachel is studying orbital motion. She knows that the Moon orbits Earth due to gravity. What is the centripetal force for the Moon's orbit?

Oliver is studying rolling friction. He knows that rolling friction is smaller than sliding friction. Why is rolling friction generally less?

Unit of impulse is:

George is studying the concept of equilibrium. He knows that a body is in equilibrium if it is at rest or moving with uniform velocity. What is the first condition of equilibrium?

Bilal is studying the moment of a force. He knows that the moment of a force depends on the magnitude of the force and the perpendicular distance from the pivot. What is the formula for the moment of a force?

Patricia is studying fluid friction. She knows that fluid friction is the resistance offered by fluids. What is another term for fluid friction?

Ming is studying the effect of friction on a moving object. He knows that friction always opposes motion. What is an advantage of friction?

What is meant by the resultant force?

Quinn is studying the center of mass of a body. He knows that the center of mass is the point where the entire weight of the body can be considered to act. For a uniform rod, where is the center of mass located?