Blog

What is the gravitational potential energy of an object on the ground?

Which of the following is a unit of acceleration?

A block is released on a frictionless hill. As it moves down, its:

Which situation conserves mechanical energy?

What is the reaction force to a person pushing a wall?

The slope of a velocity-time graph represents:A) DisplacementB) AccelerationC) ForceD) Work

Which quantity always opposes motion?

What happens to kinetic energy if speed doubles?A) Stays sameB) DoublesC) QuadruplesD) Halves

A block is pulled with constant force over distance dd. How do you calculate work using calculus?A) ∫F dt\int F\, dtB) ∫F dx\int F\, dxC) ∫F dv\int F\, dvD) ∫F da\int F\, da

In uniform circular motion, acceleration points:A) Tangent to the circleB) OutwardC) InwardD) Along velocity