Which of the following is a scalar quantity?

Zayn is learning about significant figures. He understands that significant figures are the digits in a number that carry meaning. How many significant figures are there in 0.00450?

Samir is studying prefixes. He learns that the prefix 'mega' represents 10^6. Which of the following is a mega unit?

Which of the following is a physical quantity?

Julia is learning about mass and weight. She understands that mass is scalar and weight is vector. On the moon, how does the mass of an object change compared to Earth?

The speed of light in vacuum is approximately:

George is analyzing a speed-time graph. The graph shows a line that is decreasing. What does this indicate about the motion?

Which has more inertia?

Zara is driving a car at 72 km/h. She wants to convert this speed to m/s. What is the speed in m/s?

Khalid is studying derived units. He understands that derived units are combinations of base units. Which of the following is a derived unit?

Waseem is analyzing a velocity-time graph. The graph is a straight line with a positive slope. What does the slope of a velocity-time graph represent?

Vera is learning about measuring instruments. She understands that a measuring cylinder is used to measure volume. What is the meniscus?

Xia is studying precision and accuracy. She understands that precision is about the repeatability of measurements. Which of the following describes a precise measurement?

Displacement is a:

Which force is responsible for weight?

Oliver is driving a car and observes that the car's speed is decreasing at a constant rate. What type of acceleration is the car experiencing?

Newton’s First Law of Motion is also called:

Which quantity is measured in m²?

Inertia depends upon:

Newton’s First Law applies to bodies in:

Samir is studying the screw gauge. He learns that the screw gauge is used to measure very small lengths. What is the least count of a micrometer screw gauge?

Carlos is studying the branches of physics. He learns that quantum physics deals with the behavior of matter and energy at the atomic and subatomic level. Which of the following phenomena is studied in quantum physics?

Weight of a body depends upon:

Which instrument is used to measure time?

Uma is analyzing a distance-time graph. The graph is a straight line with a positive slope. What does the slope of the graph represent?

Displacement can be zero even when:

George is driving a car at a constant speed of 60 km/h on a straight road. What type of motion is the car undergoing?

Laura is learning about momentum. She understands that momentum is conserved in a closed system. In a collision, what happens to the total momentum of the system?

Weight of a body on the Moon is:

Khalid is analyzing a speed-time graph of a moving object. He observes that the graph is a horizontal line. What does this indicate about the motion of the object?