Physics Fall 2024 Semester Exam

Front

What are the two equal forces acting on a block hanging from a string?

Back

Tension and Weight.

Front

How much gravitational potential energy does a 60.0 kg person have at the top of a 74.8 m tall building?

Back

43982.4 J.

Front

What is the branch of science that studies the physical world?

Back

Physics.

Front

Energy due to motion is called ____________ energy.

Back

Kinetic.

Front

What is the formula to calculate gravitational potential energy?

Back

PE = mgh, where m is mass, g is acceleration due to gravity, and h is height.

Front

What is the hypotenuse of a right triangle with legs of 12 and 5?

Back

13.

Front

Define Kinetic Energy.

Back

The energy an object possesses due to its motion.

Front

What is the formula for Kinetic Energy?

Back

KE = 1/2 mv², where m is mass and v is velocity.

Front

What is the definition of Weight in physics?

Back

Weight is the force exerted by gravity on an object, calculated as W = mg.

Front

What is the relationship between mass and weight?

Back

Weight is directly proportional to mass; as mass increases, weight increases.