10 Questions
If a rock is thrown horizontally from the top of a cliff, what is the direction of the acceleration?
downwards
What is the primary force responsible for a projectile's vertical motion?
gravity
A hot air balloon enthusiast throws a grapefruit with a horizontal initial velocity. What is the acceleration of the grapefruit?
downwards due to gravity
A motorbike traveling with an initial velocity is brought to rest by applying a brake. What is the nature of this process?
deceleration
What is the effect of a net upward force on an object's velocity?
it increases the velocity
What can be calculated by multiplying an object's mass by its velocity?
momentum
A ball is launched with an initial velocity at an angle above the horizontal. What is the direction of the acceleration?
downwards
What is the horizontal component of a ball's velocity if it is launched at an angle?
constant
A car travels west with a momentum of -30,000 kg.m/s. What is the direction of its velocity?
west
What is the primary force responsible for an object's vertical displacement?
gravity
Quiz about gravitational potential energy, its function, unit, and formula. Also covers momentum, impulse, and their relationship with mass, velocity, and force.
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