B. More mass is added to a wheelbarrow, and a larger force is
required to move it.
C. A person pushes a wheelbarrow, causing it to move forward.
D. The force of a wheelbarrow on the ground is equal to the force of
the ground on the wheelbarrow.
More mass is added to a wheelbarrow, and a larger force is required to move it - illustrates Newton's second law.
An object's push or pull is seen as exerting a force. The interaction of the objects produces push and pull. You can also use words like stretch and squeeze to describe force.
The definition of force in physics is: The push or pull on a mass-containing item changes its velocity.
Newton’s second law of motion states that “Force is equal to the rate of change of momentum. For a constant mass, force equals mass times acceleration."
Hence more mass is added to a wheelbarrow, and a larger force is required to accelerate, i.e., move it.
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Answer:B
Explanation:
Mass
give the answer in watts to three significant figures
B. When the acceleration of the object is zero, its velocity is also zero.
C. The direction of object velocity is not necessarily the same as that of acceleration.
D. When the object is vertically thrown up to the highest point, the speed and acceleration are zero.
E. When the object is free-falling, the displacement and acceleration direction are the same.
Answer:
A
Explanation:
ANSWER:
The moving car transfers kinetic energy to the parked car.
EXPLANATION:
Kinetic energy is the energy an object has because of its motion and can be transferred between objects and transformed into other kinds of energy.
When a moving car hits a parked car, causing the parked car to move, the type of collision is elastic collision. An elastic collision is when two bodies collide and separates after collision conserving the total kinetic energy before and after collision.