force and friction

Fill in the Blank

Which type of force does the picture show?

Fill in the Blank

Which type of force does the picture show?

Fill in the Blank

Which type of force does the picture show?

Multiple Choice

Which of the following is NOT an example of non-contact force?

• Gravitational force
• Magnetic force
• Electrostatic force

• Friction

Match

How does force affect the state of motion of the ball? Match the following.

• The goalkeeper catches the ball

• The player kicks the ball

• The player passes the ball

• The goalkeeper slows down the ball

Make a moving object stop

Make a still object move

Change the direction of a moving object

Change the speed of a moving object

• Make a moving object stop

• Make a still object move

• Change the direction of a moving object

• Change the speed of a moving object

Fill in the Blank

Friction acts in the _____ direction to the motion of the football. It slows down the football and eventually stops it.

Multiple Choice

The picture below shows a child pushing a wooden chair.

What is/are the force(s) acting on the chair apart from the pushing force produced by the child?

• Friction only

• Gravitational force only

• Magnetic force and friction

• Friction and gravitational force

Multiple Choice

The boy can move the chair with less force if he put a _____ on the floor.

• carpet

• corrugated paper

• sandpaper

• glass sheet

Fill in the Blank

The smoother the surface on which an object moves, the _____ the friction.