Momentum is closely related to
AKinetic energy
BPotential energy
CImpulse
DPower
ESAS · Question Bank
Dynamics
14 of 14 questions match. Answer in your head first, then check the solution.
A boy throws a ball with negligible air resistance. What happen to its acceleration?
ARemains constant
BDecelerates when the ball is going up and accelerates when going down
CIncreases
DDecreases
Newton’s first law is often referred to as which of the following?
AThe law of straight-line motion
BThe law of momentum
CThe law of inertia
DF = ma
The branch of mechanics which deals with bodies in motion is known as ____.
AStatics
BDynamics
CKinetics
DKinematics
If two balls are thrown with the same initial velocity, with one ball is thrown 20 degrees above the horizontal and the other is thrown horizontally. Neglecting air resistance, which ball will hit the ground with the greatest speed?
AThe ones thrown horizontally
BThe ones thrown 20 degree angle
CBoth balls will land in the same velocity
DLack of data
An object that has momentum must also have
AAcceleration
BImpulse
CKinetic energy
DPotential energy
If two objects have the same momentum, but different masses, which of these is possible?
AThe one with less mass ha more kinetic energy
BThe one with more mas requires more impulse to bring it to that momentum from rest.
CThe same work is done to each to accelerate it from rest.
DThey each have the same velocity
Conservation of ____ is used in collision, explosion and the like.
AMass
BEnergy
CMomentum
DCharge
When an object exerts a force on another object, the second object exerts on the first a force of the same magnitude but in the opposite direction. This law is known as
ANewton’s first law of motion
BNewton’s second law of motion
CNewton’s third law of motion
DNone of these
The rate of doing work is known as
APower
BPotential energy
CKinetic energy
DNone of these
Which of the following closely related to d’ Alembert’s theorem?
ANewton’s first law of motion
BNewton’s second law of motion
CNewton’s third law of motion
DBernoulli’s theorem
Study of motion with reference to the force which causes the motion is
AKinematics
BKinetics
CStatics
DDynamics
The slop on the road surface generally provided on the curves is known as
AAngle of friction
BAngle of repose
CAngle of banking
DNone of these
A ball is thrown straight up into air. Ignore all resistance. While ball is in the air, its acceleration
AIncreases
BIs zero
CRemains constant
DDecreases